haswell NRI: Collect SPD info

Collect SPD data from DIMMs and memory-down, and find the common
supported settings.

Original-Change-Id: I4e6a1408a638a463ecae37a447cfed1d6556e44a
Original-Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Signed-off-by: Bill XIE <persmule@hardenedlinux.org>
Change-Id: I7948554eb02113bdca380222a11cfb322f9615f8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77049
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.inc b/src/northbridge/intel/haswell/native_raminit/Makefile.inc
index 90af951..ebf7abc 100644
--- a/src/northbridge/intel/haswell/native_raminit/Makefile.inc
+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.inc
@@ -2,3 +2,4 @@
 
 romstage-y += raminit_main.c
 romstage-y += raminit_native.c
+romstage-y += spd_bitmunching.c