Change in coreboot[master]: mb/google/brya/var/gimble: Configure GPIO to release PERST# earlier

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: YH Lin, Paul Menzel, Mark Hsieh, Zhuohao Lee, Felix Held.
Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/60279 )

Change subject: mb/google/brya/var/gimble: Configure GPIO to release PERST# earlier
......................................................................

Patch Set 1: Code-Review+1

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/60279/comment/cfd7cc6e_8ba0871f 
PS1, Line 9: Improve power consumption of SDCard controller
suggestion, to explain the situation a little better:
```
This change in power sequencing appears to fix issues with power
consumption of the SD card controller. Possibly this change 
ensures the device has enough time to properly initialize itself
after reset is deasserted but before it is accessed.
```