soc/amd/genoa: Hook up MCA code

This patch uses AMD SoC common code for MCA and adds MCA bank
information as per Genoa Processor Programming Reference (PPR)
version 0.25 (#55901) and uses AMD SoC common code.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: If728d803d600f7e86507cd1b35b40022bf4d379e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76524
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/amd/genoa/Makefile.inc b/src/soc/amd/genoa/Makefile.inc
index 96acc43..33a4061 100644
--- a/src/soc/amd/genoa/Makefile.inc
+++ b/src/soc/amd/genoa/Makefile.inc
@@ -18,6 +18,7 @@
 ramstage-y	+= domain.c
 ramstage-y	+= root_complex.c
 ramstage-y	+= smihandler.c
+ramstage-y	+= mca.c
 
 smm-y		+= smihandler.c