diff --git a/src/mainboard/lenovo/haswell/Makefile.inc b/src/mainboard/lenovo/haswell/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/haswell/Makefile.inc
rename to src/mainboard/lenovo/haswell/Makefile.mk
diff --git a/src/mainboard/lenovo/haswell/variants/t440p/Makefile.inc b/src/mainboard/lenovo/haswell/variants/t440p/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/haswell/variants/t440p/Makefile.inc
rename to src/mainboard/lenovo/haswell/variants/t440p/Makefile.mk
diff --git a/src/mainboard/lenovo/l520/Makefile.inc b/src/mainboard/lenovo/l520/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/l520/Makefile.inc
rename to src/mainboard/lenovo/l520/Makefile.mk
diff --git a/src/mainboard/lenovo/s230u/Makefile.inc b/src/mainboard/lenovo/s230u/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/s230u/Makefile.inc
rename to src/mainboard/lenovo/s230u/Makefile.mk
diff --git a/src/mainboard/lenovo/t400/Makefile.inc b/src/mainboard/lenovo/t400/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/t400/Makefile.inc
rename to src/mainboard/lenovo/t400/Makefile.mk
diff --git a/src/mainboard/lenovo/t410/Makefile.inc b/src/mainboard/lenovo/t410/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/t410/Makefile.inc
rename to src/mainboard/lenovo/t410/Makefile.mk
diff --git a/src/mainboard/lenovo/t420/Makefile.inc b/src/mainboard/lenovo/t420/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/t420/Makefile.inc
rename to src/mainboard/lenovo/t420/Makefile.mk
diff --git a/src/mainboard/lenovo/t420s/Makefile.inc b/src/mainboard/lenovo/t420s/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/t420s/Makefile.inc
rename to src/mainboard/lenovo/t420s/Makefile.mk
diff --git a/src/mainboard/lenovo/t430/Makefile.inc b/src/mainboard/lenovo/t430/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/t430/Makefile.inc
rename to src/mainboard/lenovo/t430/Makefile.mk
diff --git a/src/mainboard/lenovo/t430s/Makefile.inc b/src/mainboard/lenovo/t430s/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/t430s/Makefile.inc
rename to src/mainboard/lenovo/t430s/Makefile.mk
diff --git a/src/mainboard/lenovo/t430s/variants/t431s/spd/Makefile.inc b/src/mainboard/lenovo/t430s/variants/t431s/spd/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/t430s/variants/t431s/spd/Makefile.inc
rename to src/mainboard/lenovo/t430s/variants/t431s/spd/Makefile.mk
diff --git a/src/mainboard/lenovo/t520/Makefile.inc b/src/mainboard/lenovo/t520/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/t520/Makefile.inc
rename to src/mainboard/lenovo/t520/Makefile.mk
diff --git a/src/mainboard/lenovo/t530/Makefile.inc b/src/mainboard/lenovo/t530/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/t530/Makefile.inc
rename to src/mainboard/lenovo/t530/Makefile.mk
diff --git a/src/mainboard/lenovo/t60/Makefile.inc b/src/mainboard/lenovo/t60/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/t60/Makefile.inc
rename to src/mainboard/lenovo/t60/Makefile.mk
diff --git a/src/mainboard/lenovo/thinkcentre_a58/Makefile.inc b/src/mainboard/lenovo/thinkcentre_a58/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/thinkcentre_a58/Makefile.inc
rename to src/mainboard/lenovo/thinkcentre_a58/Makefile.mk
diff --git a/src/mainboard/lenovo/x131e/Makefile.inc b/src/mainboard/lenovo/x131e/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/x131e/Makefile.inc
rename to src/mainboard/lenovo/x131e/Makefile.mk
diff --git a/src/mainboard/lenovo/x1_carbon_gen1/Makefile.inc b/src/mainboard/lenovo/x1_carbon_gen1/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/x1_carbon_gen1/Makefile.inc
rename to src/mainboard/lenovo/x1_carbon_gen1/Makefile.mk
diff --git a/src/mainboard/lenovo/x1_carbon_gen1/spd/Makefile.inc b/src/mainboard/lenovo/x1_carbon_gen1/spd/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/x1_carbon_gen1/spd/Makefile.inc
rename to src/mainboard/lenovo/x1_carbon_gen1/spd/Makefile.mk
diff --git a/src/mainboard/lenovo/x200/Makefile.inc b/src/mainboard/lenovo/x200/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/x200/Makefile.inc
rename to src/mainboard/lenovo/x200/Makefile.mk
diff --git a/src/mainboard/lenovo/x201/Makefile.inc b/src/mainboard/lenovo/x201/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/x201/Makefile.inc
rename to src/mainboard/lenovo/x201/Makefile.mk
diff --git a/src/mainboard/lenovo/x220/Makefile.inc b/src/mainboard/lenovo/x220/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/x220/Makefile.inc
rename to src/mainboard/lenovo/x220/Makefile.mk
diff --git a/src/mainboard/lenovo/x230/Makefile.inc b/src/mainboard/lenovo/x230/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/x230/Makefile.inc
rename to src/mainboard/lenovo/x230/Makefile.mk
diff --git a/src/mainboard/lenovo/x60/Makefile.inc b/src/mainboard/lenovo/x60/Makefile.mk
similarity index 100%
rename from src/mainboard/lenovo/x60/Makefile.inc
rename to src/mainboard/lenovo/x60/Makefile.mk
diff --git a/src/mainboard/libretrend/lt1000/Makefile.inc b/src/mainboard/libretrend/lt1000/Makefile.mk
similarity index 100%
rename from src/mainboard/libretrend/lt1000/Makefile.inc
rename to src/mainboard/libretrend/lt1000/Makefile.mk
diff --git a/src/mainboard/msi/h81m-p33/Makefile.inc b/src/mainboard/msi/h81m-p33/Makefile.mk
similarity index 100%
rename from src/mainboard/msi/h81m-p33/Makefile.inc
rename to src/mainboard/msi/h81m-p33/Makefile.mk
diff --git a/src/mainboard/msi/ms7707/Makefile.inc b/src/mainboard/msi/ms7707/Makefile.mk
similarity index 100%
rename from src/mainboard/msi/ms7707/Makefile.inc
rename to src/mainboard/msi/ms7707/Makefile.mk
diff --git a/src/mainboard/msi/ms7d25/Makefile.inc b/src/mainboard/msi/ms7d25/Makefile.mk
similarity index 100%
rename from src/mainboard/msi/ms7d25/Makefile.inc
rename to src/mainboard/msi/ms7d25/Makefile.mk
diff --git a/src/mainboard/msi/ms7e06/Makefile.inc b/src/mainboard/msi/ms7e06/Makefile.mk
similarity index 100%
rename from src/mainboard/msi/ms7e06/Makefile.inc
rename to src/mainboard/msi/ms7e06/Makefile.mk
diff --git a/src/mainboard/ocp/deltalake/Makefile.inc b/src/mainboard/ocp/deltalake/Makefile.mk
similarity index 100%
rename from src/mainboard/ocp/deltalake/Makefile.inc
rename to src/mainboard/ocp/deltalake/Makefile.mk
diff --git a/src/mainboard/ocp/tiogapass/Makefile.inc b/src/mainboard/ocp/tiogapass/Makefile.mk
similarity index 100%
rename from src/mainboard/ocp/tiogapass/Makefile.inc
rename to src/mainboard/ocp/tiogapass/Makefile.mk
diff --git a/src/mainboard/opencellular/elgon/Makefile.inc b/src/mainboard/opencellular/elgon/Makefile.mk
similarity index 100%
rename from src/mainboard/opencellular/elgon/Makefile.inc
rename to src/mainboard/opencellular/elgon/Makefile.mk
diff --git a/src/mainboard/packardbell/ms2290/Makefile.inc b/src/mainboard/packardbell/ms2290/Makefile.mk
similarity index 100%
rename from src/mainboard/packardbell/ms2290/Makefile.inc
rename to src/mainboard/packardbell/ms2290/Makefile.mk
diff --git a/src/mainboard/pcengines/apu2/Makefile.inc b/src/mainboard/pcengines/apu2/Makefile.mk
similarity index 100%
rename from src/mainboard/pcengines/apu2/Makefile.inc
rename to src/mainboard/pcengines/apu2/Makefile.mk
diff --git a/src/mainboard/pine64/rockpro64/Makefile.inc b/src/mainboard/pine64/rockpro64/Makefile.mk
similarity index 100%
rename from src/mainboard/pine64/rockpro64/Makefile.inc
rename to src/mainboard/pine64/rockpro64/Makefile.mk
diff --git a/src/mainboard/portwell/m107/Makefile.inc b/src/mainboard/portwell/m107/Makefile.mk
similarity index 100%
rename from src/mainboard/portwell/m107/Makefile.inc
rename to src/mainboard/portwell/m107/Makefile.mk
diff --git a/src/mainboard/prodrive/atlas/Makefile.inc b/src/mainboard/prodrive/atlas/Makefile.mk
similarity index 100%
rename from src/mainboard/prodrive/atlas/Makefile.inc
rename to src/mainboard/prodrive/atlas/Makefile.mk
diff --git a/src/mainboard/prodrive/hermes/Makefile.inc b/src/mainboard/prodrive/hermes/Makefile.mk
similarity index 100%
rename from src/mainboard/prodrive/hermes/Makefile.inc
rename to src/mainboard/prodrive/hermes/Makefile.mk
diff --git a/src/mainboard/protectli/vault_bsw/Makefile.inc b/src/mainboard/protectli/vault_bsw/Makefile.mk
similarity index 100%
rename from src/mainboard/protectli/vault_bsw/Makefile.inc
rename to src/mainboard/protectli/vault_bsw/Makefile.mk
diff --git a/src/mainboard/protectli/vault_cml/Makefile.inc b/src/mainboard/protectli/vault_cml/Makefile.mk
similarity index 100%
rename from src/mainboard/protectli/vault_cml/Makefile.inc
rename to src/mainboard/protectli/vault_cml/Makefile.mk
diff --git a/src/mainboard/protectli/vault_ehl/Makefile.inc b/src/mainboard/protectli/vault_ehl/Makefile.mk
similarity index 100%
rename from src/mainboard/protectli/vault_ehl/Makefile.inc
rename to src/mainboard/protectli/vault_ehl/Makefile.mk
diff --git a/src/mainboard/protectli/vault_kbl/Makefile.inc b/src/mainboard/protectli/vault_kbl/Makefile.mk
similarity index 100%
rename from src/mainboard/protectli/vault_kbl/Makefile.inc
rename to src/mainboard/protectli/vault_kbl/Makefile.mk
diff --git a/src/mainboard/purism/librem_bdw/Makefile.inc b/src/mainboard/purism/librem_bdw/Makefile.mk
similarity index 100%
rename from src/mainboard/purism/librem_bdw/Makefile.inc
rename to src/mainboard/purism/librem_bdw/Makefile.mk
diff --git a/src/mainboard/purism/librem_cnl/Makefile.inc b/src/mainboard/purism/librem_cnl/Makefile.mk
similarity index 100%
rename from src/mainboard/purism/librem_cnl/Makefile.inc
rename to src/mainboard/purism/librem_cnl/Makefile.mk
diff --git a/src/mainboard/purism/librem_cnl/variants/librem_mini/Makefile.inc b/src/mainboard/purism/librem_cnl/variants/librem_mini/Makefile.mk
similarity index 100%
rename from src/mainboard/purism/librem_cnl/variants/librem_mini/Makefile.inc
rename to src/mainboard/purism/librem_cnl/variants/librem_mini/Makefile.mk
diff --git a/src/mainboard/purism/librem_jsl/Makefile.inc b/src/mainboard/purism/librem_jsl/Makefile.mk
similarity index 100%
rename from src/mainboard/purism/librem_jsl/Makefile.inc
rename to src/mainboard/purism/librem_jsl/Makefile.mk
diff --git a/src/mainboard/purism/librem_l1um_v2/Makefile.inc b/src/mainboard/purism/librem_l1um_v2/Makefile.mk
similarity index 100%
rename from src/mainboard/purism/librem_l1um_v2/Makefile.inc
rename to src/mainboard/purism/librem_l1um_v2/Makefile.mk
diff --git a/src/mainboard/purism/librem_skl/Makefile.inc b/src/mainboard/purism/librem_skl/Makefile.mk
similarity index 100%
rename from src/mainboard/purism/librem_skl/Makefile.inc
rename to src/mainboard/purism/librem_skl/Makefile.mk
diff --git a/src/mainboard/razer/blade_stealth_kbl/Makefile.inc b/src/mainboard/razer/blade_stealth_kbl/Makefile.mk
similarity index 100%
rename from src/mainboard/razer/blade_stealth_kbl/Makefile.inc
rename to src/mainboard/razer/blade_stealth_kbl/Makefile.mk
diff --git a/src/mainboard/razer/blade_stealth_kbl/spd/Makefile.inc b/src/mainboard/razer/blade_stealth_kbl/spd/Makefile.mk
similarity index 100%
rename from src/mainboard/razer/blade_stealth_kbl/spd/Makefile.inc
rename to src/mainboard/razer/blade_stealth_kbl/spd/Makefile.mk
diff --git a/src/mainboard/roda/rk886ex/Makefile.inc b/src/mainboard/roda/rk886ex/Makefile.mk
similarity index 100%
rename from src/mainboard/roda/rk886ex/Makefile.inc
rename to src/mainboard/roda/rk886ex/Makefile.mk
diff --git a/src/mainboard/roda/rk9/Makefile.inc b/src/mainboard/roda/rk9/Makefile.mk
similarity index 100%
rename from src/mainboard/roda/rk9/Makefile.inc
rename to src/mainboard/roda/rk9/Makefile.mk
diff --git a/src/mainboard/roda/rv11/Makefile.inc b/src/mainboard/roda/rv11/Makefile.mk
similarity index 100%
rename from src/mainboard/roda/rv11/Makefile.inc
rename to src/mainboard/roda/rv11/Makefile.mk
diff --git a/src/mainboard/samsung/lumpy/Makefile.inc b/src/mainboard/samsung/lumpy/Makefile.mk
similarity index 100%
rename from src/mainboard/samsung/lumpy/Makefile.inc
rename to src/mainboard/samsung/lumpy/Makefile.mk
diff --git a/src/mainboard/samsung/stumpy/Makefile.inc b/src/mainboard/samsung/stumpy/Makefile.mk
similarity index 100%
rename from src/mainboard/samsung/stumpy/Makefile.inc
rename to src/mainboard/samsung/stumpy/Makefile.mk
diff --git a/src/mainboard/sapphire/pureplatinumh61/Makefile.inc b/src/mainboard/sapphire/pureplatinumh61/Makefile.mk
similarity index 100%
rename from src/mainboard/sapphire/pureplatinumh61/Makefile.inc
rename to src/mainboard/sapphire/pureplatinumh61/Makefile.mk
diff --git a/src/mainboard/siemens/chili/Makefile.inc b/src/mainboard/siemens/chili/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/chili/Makefile.inc
rename to src/mainboard/siemens/chili/Makefile.mk
diff --git a/src/mainboard/siemens/chili/variants/base/Makefile.inc b/src/mainboard/siemens/chili/variants/base/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/chili/variants/base/Makefile.inc
rename to src/mainboard/siemens/chili/variants/base/Makefile.mk
diff --git a/src/mainboard/siemens/chili/variants/chili/Makefile.inc b/src/mainboard/siemens/chili/variants/chili/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/chili/variants/chili/Makefile.inc
rename to src/mainboard/siemens/chili/variants/chili/Makefile.mk
diff --git a/src/mainboard/siemens/fa_ehl/Makefile.inc b/src/mainboard/siemens/fa_ehl/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/fa_ehl/Makefile.inc
rename to src/mainboard/siemens/fa_ehl/Makefile.mk
diff --git a/src/mainboard/siemens/fa_ehl/variants/fa_ehl/Makefile.inc b/src/mainboard/siemens/fa_ehl/variants/fa_ehl/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/fa_ehl/variants/fa_ehl/Makefile.inc
rename to src/mainboard/siemens/fa_ehl/variants/fa_ehl/Makefile.mk
diff --git a/src/mainboard/siemens/mc_apl1/Makefile.inc b/src/mainboard/siemens/mc_apl1/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_apl1/Makefile.inc
rename to src/mainboard/siemens/mc_apl1/Makefile.mk
diff --git a/src/mainboard/siemens/mc_apl1/variants/baseboard/Makefile.inc b/src/mainboard/siemens/mc_apl1/variants/baseboard/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_apl1/variants/baseboard/Makefile.inc
rename to src/mainboard/siemens/mc_apl1/variants/baseboard/Makefile.mk
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/Makefile.inc b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_apl1/variants/mc_apl1/Makefile.inc
rename to src/mainboard/siemens/mc_apl1/variants/mc_apl1/Makefile.mk
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl2/Makefile.inc b/src/mainboard/siemens/mc_apl1/variants/mc_apl2/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_apl1/variants/mc_apl2/Makefile.inc
rename to src/mainboard/siemens/mc_apl1/variants/mc_apl2/Makefile.mk
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/Makefile.inc b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_apl1/variants/mc_apl3/Makefile.inc
rename to src/mainboard/siemens/mc_apl1/variants/mc_apl3/Makefile.mk
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl4/Makefile.inc b/src/mainboard/siemens/mc_apl1/variants/mc_apl4/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_apl1/variants/mc_apl4/Makefile.inc
rename to src/mainboard/siemens/mc_apl1/variants/mc_apl4/Makefile.mk
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl5/Makefile.inc b/src/mainboard/siemens/mc_apl1/variants/mc_apl5/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_apl1/variants/mc_apl5/Makefile.inc
rename to src/mainboard/siemens/mc_apl1/variants/mc_apl5/Makefile.mk
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl6/Makefile.inc b/src/mainboard/siemens/mc_apl1/variants/mc_apl6/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_apl1/variants/mc_apl6/Makefile.inc
rename to src/mainboard/siemens/mc_apl1/variants/mc_apl6/Makefile.mk
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl7/Makefile.inc b/src/mainboard/siemens/mc_apl1/variants/mc_apl7/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_apl1/variants/mc_apl7/Makefile.inc
rename to src/mainboard/siemens/mc_apl1/variants/mc_apl7/Makefile.mk
diff --git a/src/mainboard/siemens/mc_ehl/Makefile.inc b/src/mainboard/siemens/mc_ehl/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_ehl/Makefile.inc
rename to src/mainboard/siemens/mc_ehl/Makefile.mk
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl1/Makefile.inc b/src/mainboard/siemens/mc_ehl/variants/mc_ehl1/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_ehl/variants/mc_ehl1/Makefile.inc
rename to src/mainboard/siemens/mc_ehl/variants/mc_ehl1/Makefile.mk
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/Makefile.inc b/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_ehl/variants/mc_ehl2/Makefile.inc
rename to src/mainboard/siemens/mc_ehl/variants/mc_ehl2/Makefile.mk
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl3/Makefile.inc b/src/mainboard/siemens/mc_ehl/variants/mc_ehl3/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_ehl/variants/mc_ehl3/Makefile.inc
rename to src/mainboard/siemens/mc_ehl/variants/mc_ehl3/Makefile.mk
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/Makefile.inc b/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_ehl/variants/mc_ehl4/Makefile.inc
rename to src/mainboard/siemens/mc_ehl/variants/mc_ehl4/Makefile.mk
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl5/Makefile.inc b/src/mainboard/siemens/mc_ehl/variants/mc_ehl5/Makefile.mk
similarity index 100%
rename from src/mainboard/siemens/mc_ehl/variants/mc_ehl5/Makefile.inc
rename to src/mainboard/siemens/mc_ehl/variants/mc_ehl5/Makefile.mk
diff --git a/src/mainboard/sifive/hifive-unleashed/Makefile.inc b/src/mainboard/sifive/hifive-unleashed/Makefile.mk
similarity index 100%
rename from src/mainboard/sifive/hifive-unleashed/Makefile.inc
rename to src/mainboard/sifive/hifive-unleashed/Makefile.mk
diff --git a/src/mainboard/starlabs/lite/Makefile.inc b/src/mainboard/starlabs/lite/Makefile.mk
similarity index 100%
rename from src/mainboard/starlabs/lite/Makefile.inc
rename to src/mainboard/starlabs/lite/Makefile.mk
diff --git a/src/mainboard/starlabs/lite/variants/glk/Makefile.inc b/src/mainboard/starlabs/lite/variants/glk/Makefile.mk
similarity index 100%
rename from src/mainboard/starlabs/lite/variants/glk/Makefile.inc
rename to src/mainboard/starlabs/lite/variants/glk/Makefile.mk
diff --git a/src/mainboard/starlabs/lite/variants/glkr/Makefile.inc b/src/mainboard/starlabs/lite/variants/glkr/Makefile.mk
similarity index 100%
rename from src/mainboard/starlabs/lite/variants/glkr/Makefile.inc
rename to src/mainboard/starlabs/lite/variants/glkr/Makefile.mk
diff --git a/src/mainboard/starlabs/starbook/Makefile.inc b/src/mainboard/starlabs/starbook/Makefile.mk
similarity index 100%
rename from src/mainboard/starlabs/starbook/Makefile.inc
rename to src/mainboard/starlabs/starbook/Makefile.mk
diff --git a/src/mainboard/starlabs/starbook/spd/Makefile.inc b/src/mainboard/starlabs/starbook/spd/Makefile.mk
similarity index 100%
rename from src/mainboard/starlabs/starbook/spd/Makefile.inc
rename to src/mainboard/starlabs/starbook/spd/Makefile.mk
diff --git a/src/mainboard/starlabs/starbook/variants/adl/Makefile.inc b/src/mainboard/starlabs/starbook/variants/adl/Makefile.mk
similarity index 100%
rename from src/mainboard/starlabs/starbook/variants/adl/Makefile.inc
rename to src/mainboard/starlabs/starbook/variants/adl/Makefile.mk
diff --git a/src/mainboard/starlabs/starbook/variants/cml/Makefile.inc b/src/mainboard/starlabs/starbook/variants/cml/Makefile.mk
similarity index 100%
rename from src/mainboard/starlabs/starbook/variants/cml/Makefile.inc
rename to src/mainboard/starlabs/starbook/variants/cml/Makefile.mk
diff --git a/src/mainboard/starlabs/starbook/variants/kbl/Makefile.inc b/src/mainboard/starlabs/starbook/variants/kbl/Makefile.mk
similarity index 100%
rename from src/mainboard/starlabs/starbook/variants/kbl/Makefile.inc
rename to src/mainboard/starlabs/starbook/variants/kbl/Makefile.mk
diff --git a/src/mainboard/starlabs/starbook/variants/rpl/Makefile.inc b/src/mainboard/starlabs/starbook/variants/rpl/Makefile.mk
similarity index 100%
rename from src/mainboard/starlabs/starbook/variants/rpl/Makefile.inc
rename to src/mainboard/starlabs/starbook/variants/rpl/Makefile.mk
diff --git a/src/mainboard/starlabs/starbook/variants/tgl/Makefile.inc b/src/mainboard/starlabs/starbook/variants/tgl/Makefile.mk
similarity index 100%
rename from src/mainboard/starlabs/starbook/variants/tgl/Makefile.inc
rename to src/mainboard/starlabs/starbook/variants/tgl/Makefile.mk
diff --git a/src/mainboard/supermicro/x10slm-f/Makefile.inc b/src/mainboard/supermicro/x10slm-f/Makefile.mk
similarity index 100%
rename from src/mainboard/supermicro/x10slm-f/Makefile.inc
rename to src/mainboard/supermicro/x10slm-f/Makefile.mk
diff --git a/src/mainboard/supermicro/x11-lga1151-series/Makefile.inc b/src/mainboard/supermicro/x11-lga1151-series/Makefile.mk
similarity index 100%
rename from src/mainboard/supermicro/x11-lga1151-series/Makefile.inc
rename to src/mainboard/supermicro/x11-lga1151-series/Makefile.mk
diff --git a/src/mainboard/supermicro/x9sae/Makefile.inc b/src/mainboard/supermicro/x9sae/Makefile.mk
similarity index 100%
rename from src/mainboard/supermicro/x9sae/Makefile.inc
rename to src/mainboard/supermicro/x9sae/Makefile.mk
diff --git a/src/mainboard/supermicro/x9scl/Makefile.inc b/src/mainboard/supermicro/x9scl/Makefile.mk
similarity index 100%
rename from src/mainboard/supermicro/x9scl/Makefile.inc
rename to src/mainboard/supermicro/x9scl/Makefile.mk
diff --git a/src/mainboard/system76/addw1/Makefile.inc b/src/mainboard/system76/addw1/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/addw1/Makefile.inc
rename to src/mainboard/system76/addw1/Makefile.mk
diff --git a/src/mainboard/system76/adl/Makefile.inc b/src/mainboard/system76/adl/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/adl/Makefile.inc
rename to src/mainboard/system76/adl/Makefile.mk
diff --git a/src/mainboard/system76/bonw14/Makefile.inc b/src/mainboard/system76/bonw14/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/bonw14/Makefile.inc
rename to src/mainboard/system76/bonw14/Makefile.mk
diff --git a/src/mainboard/system76/cml-u/Makefile.inc b/src/mainboard/system76/cml-u/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/cml-u/Makefile.inc
rename to src/mainboard/system76/cml-u/Makefile.mk
diff --git a/src/mainboard/system76/gaze15/Makefile.inc b/src/mainboard/system76/gaze15/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/gaze15/Makefile.inc
rename to src/mainboard/system76/gaze15/Makefile.mk
diff --git a/src/mainboard/system76/kbl-u/Makefile.inc b/src/mainboard/system76/kbl-u/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/kbl-u/Makefile.inc
rename to src/mainboard/system76/kbl-u/Makefile.mk
diff --git a/src/mainboard/system76/oryp5/Makefile.inc b/src/mainboard/system76/oryp5/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/oryp5/Makefile.inc
rename to src/mainboard/system76/oryp5/Makefile.mk
diff --git a/src/mainboard/system76/oryp6/Makefile.inc b/src/mainboard/system76/oryp6/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/oryp6/Makefile.inc
rename to src/mainboard/system76/oryp6/Makefile.mk
diff --git a/src/mainboard/system76/rpl/Makefile.inc b/src/mainboard/system76/rpl/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/rpl/Makefile.inc
rename to src/mainboard/system76/rpl/Makefile.mk
diff --git a/src/mainboard/system76/tgl-h/Makefile.inc b/src/mainboard/system76/tgl-h/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/tgl-h/Makefile.inc
rename to src/mainboard/system76/tgl-h/Makefile.mk
diff --git a/src/mainboard/system76/tgl-u/Makefile.inc b/src/mainboard/system76/tgl-u/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/tgl-u/Makefile.inc
rename to src/mainboard/system76/tgl-u/Makefile.mk
diff --git a/src/mainboard/system76/whl-u/Makefile.inc b/src/mainboard/system76/whl-u/Makefile.mk
similarity index 100%
rename from src/mainboard/system76/whl-u/Makefile.inc
rename to src/mainboard/system76/whl-u/Makefile.mk
diff --git a/src/mainboard/ti/beaglebone/Makefile.inc b/src/mainboard/ti/beaglebone/Makefile.mk
similarity index 100%
rename from src/mainboard/ti/beaglebone/Makefile.inc
rename to src/mainboard/ti/beaglebone/Makefile.mk
diff --git a/src/mainboard/up/squared/Makefile.inc b/src/mainboard/up/squared/Makefile.mk
similarity index 100%
rename from src/mainboard/up/squared/Makefile.inc
rename to src/mainboard/up/squared/Makefile.mk