UPSTREAM: soc/intel/broadwell: Generate ACPI DMAR table

If the SoC is VT-d capable, write an ACPI DMAR table. The entry for the
GFXVTBAR is only generated if the IGD is enabled.

BUG=none
BRANCH=none
TEST=none

Change-Id: I4a4257410e0e22351f8ea0fbfdd65a0f8d1666c4
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: 0f49bbceef3ee4d0755c5784c3dd647528b3c7bc
Original-Change-Id: Id7c899954f1bae9d2b48532ca5ee271944f0c5f6
Original-Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Original-Reviewed-on: https://review.coreboot.org/23821
Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Original-Reviewed-by: Youness Alaoui <snifikino@gmail.com>
Original-Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://chromium-review.googlesource.com/943590
3 files changed