[S] Change in coreboot[master]: mb/google/geralt: Pass reset gpio parameter to BL31

[Hung-Te Lin (Code Review)]

Attention is currently required from: Rex-BC Chen, Yu-Ping Wu, Yidi Lin.

Hung-Te Lin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/67357 )

Change subject: mb/google/geralt: Pass reset gpio parameter to BL31
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Patch Set 1:

(1 comment)

Patchset:

PS1: 
if most MTK google boards will all do this, I wonder if we can move this to common (leave the GPIO def in mb-specific places), and choose the right bl31 C file if the ATF options are disabled, so it will be easier to compile the programs even if the ATF repo was not synced yet.