Use a common function to get the number of CPUs for each soc. This
removes a #if for different function names in the common code.
Change-Id: I3348d37fcae72247731e465ec2a65d9583a2f180
Signed-off-by: Marc Jones <marcjones@sysproconsulting.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46970
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>