[XS] Change in coreboot[main]: mb/system76/adl,rpl: Add 50ms timeout for PCIe 3.0 RPs

[Tim Crawford (Code Review)]

Attention is currently required from: Jeremy Soller, Paul Menzel.

Hello Jeremy Soller, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/80756?usp=email

to look at the new patch set (#4).

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: mb/system76/adl,rpl: Add 50ms timeout for PCIe 3.0 RPs
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mb/system76/adl,rpl: Add 50ms timeout for PCIe 3.0 RPs

The FSP may fail to detect PCIe 4.0 devices in PCIe 3.0 slots on S3
resume. This issue has only been experienced on lemp12, and only with
Samsung drives, but implies it could happen on other systems or with
other drives as well. A timeout of 50ms is arbitrarily chosen.

Tested on lemp12 with Samsung 980 PRO (FW: 3B2QGXA7, 5B2QGXA7) and 990
PRO (FW: 4B2QJXD7) drives.

Change-Id: I4f44fc429c52e407b7566d6bb6dd31b2cf85c48d
Signed-off-by: Tim Crawford 
---
M src/mainboard/system76/adl/variants/darp8/overridetree.cb
M src/mainboard/system76/adl/variants/gaze17-3050/overridetree.cb
M src/mainboard/system76/adl/variants/gaze17-3060-b/overridetree.cb
M src/mainboard/system76/adl/variants/lemp11/overridetree.cb
M src/mainboard/system76/rpl/variants/gaze18/overridetree.cb
M src/mainboard/system76/rpl/variants/lemp12/overridetree.cb
6 files changed, 6 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/56/80756/4