pcie_rst isn't working correctly, so use the AUX resets to reset the
PCIe devices before training.
BUG=b:182202136
TEST=See PCIe devices train & enumerate
Change-Id: I6db21c79dcbd40c7a8c3f01c60b02882a3851278
Signed-off-by: Martin Roth <martinroth@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52114
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
d76b4f6607