Follow the FP6 IRM(#56328) to set the stapm parameter
and allow other mancomb variants boards can customize those parameters.
BUG=b:1181157669
TEST=build.
Signed-off-by: Chris Wang <chris.wang@amd.corp-partner.google.com>
Change-Id: Ib3ed76e5212a5a8b5fb4fcc3d6884ceff82377b7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52709
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>