The board's PCIe port descriptors have the PCIe engine disabled, so
update the devicetree accordingly.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ic97a54c3cc762a36752d6b9f21467428912a9edd
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68379
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>