Change in coreboot[master]: mb/google/brya: Allow mainboard to lock `FPMCU_*` 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/+/61502 )

Change subject: mb/google/brya: Allow mainboard to lock `FPMCU_*` GPIO PADs
......................................................................

Patch Set 3: Code-Review+2

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/61502/comment/af234a61_aa34038d 
PS3, Line 7: mb/google/brya: Allow mainboard to lock `FPMCU_*` GPIO PADs
suggestion:
```
mb/google/brya: Lock FPMCU pins in brask and brya baseboards

This applies a configuration lock to the FPMCU SPI and IRQ GPIOs
for all brya and brask variants.
```