Use existing define for SMRR and PMRR support instead of redefining
it in various places.
TEST=No functional change, thus untested.
Change-Id: Ie366a9d695800acd9713bd4e8393201a1f0a5ab2
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/91015
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>