This makes it easier to have common code for MP init on AMD systems.
Change-Id: Icb6808edf96a17ec0b3073ba2486b3345a4a66ea
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64867
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>