mb/google/guybrush: Enable RTD3 support for NVMe

This will tell the kernel to ignore PCI ASPM when suspending the device
and instead place the device into D3. We don't actually have a pin to
control power to the NVMe so we leave it in D3Hot. I'm not sure if
`PCI_RST#` is working correctly on S0i3 suspend/resume. If it's not
acting as expected we can add the reset GPIO and have the OS do it.

BUG=b:184617186
TEST=Run suspend_stress_test on guybrush for 10 cycles

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I29539ac120a9f1b7c1bfeaca745cfc82acfa461a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54967
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions