TEST=Enable DMA protection on MSI PRO Z690-A DDR4 and observe
the I/O devices like USB and NVMe fail to enumerate in UEFI
Payload (basically proving that DMA protection works).
Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Change-Id: Iecaa3d04f1447b7e73507ca57a0d23d42e24d663
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68450
Reviewed-by: Michał Kopeć <michal.kopec@3mdeb.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>