[S] Change in coreboot[master]: mb/google/rex: Fix PMC GPIO group route to GPE

[Cliff Huang (Code Review)]

Attention is currently required from: Anil Kumar K, Bora Guvendik, Eran Mitrani, Eric Lai, Hannah Williams, Ivy Jian, Jakub Czapiga, Jamie Ryu, Kapil Porwal, Subrata Banik, Tarun, Tarun Tuli, Wonkyu Kim.

Cliff Huang has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/76537?usp=email )

Change subject: mb/google/rex: Fix PMC GPIO group route to GPE
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Patch Set 4:

(1 comment)

File src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/76537/comment/20dc13b9_5c80355f :
PS4, Line 24: none
> `TPM_TIS_ACPI_INTERRUPT` is GPP E03. […]

thx for pointing out. add missed bit description. For TPM_TIS_ACPI_INTERRUPT, it is not configured to route to SCI and its GPE0_EN is not set. However, its bit from GPE0_STS was checked, so I also add this pad.