include/cpu/x86/msr: add mca_get_bank_count function

In multiple locations within the coreboot tree the IA32_MCG_CAP MSR gets
read and masked with MCA_BANKS_MASK to get the number of available MCA
banks on the CPU, so add this to the common code to avoid duplication
of code.

Change-Id: Id118a900edbe1f67aabcd109d2654c167b6345ea
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56183
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>

0 files changed, 0 insertions, 0 deletions