[XS] Change in coreboot[main]: mb/google/brox/var/jubilant: Set PCIe root port 5 speed to Gen2

[Paul Menzel (Code Review)]

Attention is currently required from: Ren Kuo.

Paul Menzel has posted comments on this change by Ren Kuo. ( https://review.coreboot.org/c/coreboot/+/85533?usp=email )

Change subject: mb/google/brox/var/jubilant: Set PCIe root port 5 speed to Gen2
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Patch Set 6:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/85533/comment/310f798b_e929ea71?usp... :
PS6, Line 9: Currently, with default speed auto the Wifi 7 M.2 module will not work under speed Gen3. This is due to driver iwlwifi for wifi7 is not stable and decreasing the speed to Gen2 gets the card working without any downsides, as the Wifi 7 speed can be serviced by 5 GT/s.
> Please reflow for 72 characters per line.

Too late.

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