mb/purism/librem_cnl: Support Comet Lake v1 and v2 for Librem 14

New Librem 14s have a newer CPU stepping, which changes them from CML
v1 to v2.  The product is not significantly different and remains v1,
specifically "v1-02".

Select SOC_INTEL_COMETLAKE_1_2 to support all CPU steppings.

Change-Id: Iab37208b81e973714a2c088d2346eda518bf1214
Signed-off-by: Jonathon Hall <jonathon.hall@puri.sm>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78346
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
diff --git a/src/mainboard/purism/librem_cnl/Kconfig b/src/mainboard/purism/librem_cnl/Kconfig
index ef05a3e..f75f316 100644
--- a/src/mainboard/purism/librem_cnl/Kconfig
+++ b/src/mainboard/purism/librem_cnl/Kconfig
@@ -33,7 +33,7 @@
 	select EC_LIBREM_EC
 	select MEMORY_MAPPED_TPM
 	select MAINBOARD_HAS_TPM1
-	select SOC_INTEL_COMETLAKE_1
+	select SOC_INTEL_COMETLAKE_1_2
 	select SYSTEM_TYPE_LAPTOP
 
 if BOARD_PURISM_BASEBOARD_LIBREM_CNL