Drop DMAR_X2APIC_OPT_OUT since coreboot is able to enable X2APIC.
TEST: Works fine on OCP/tiogapass, thus drop the opt out.
Change-Id: Ia0443a39a9bf392976cfd1a7ccf6a335d5f0bd70
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85173
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shuo Liu <shuo.liu@intel.com>