Change in coreboot[master]: mb/google/brya: Allow mainboard to lock PCH_WP_OD GPIO PADs

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: Subrata Banik, Nick Vaccaro.
Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/61501 )

Change subject: mb/google/brya: Allow mainboard to lock PCH_WP_OD GPIO PADs
......................................................................

Patch Set 3:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/61501/comment/319630d4_f094d925 
PS3, Line 7: mb/google/brya: Allow mainboard to lock PCH_WP_OD GPIO PADs
suggestion:
```
mb/google/brya: Lock PCH WP pin in brask and brya baseboards

This applies a configuration lock to the PCH write protect GPIO for 
all brya and brask variants.
```