[S] Change in coreboot[main]: mb/google/nissa/var/craaskov: Implement touchscreen power sequencing

[Rex Chou (Code Review)]

Attention is currently required from: Dtrain Hsu, Kenny Pan, Nick Vaccaro, Rex Chou, Shou-Chieh Hsu, Subrata Banik.

Hello Dtrain Hsu, Eric Lai, Kenny Pan, Nick Vaccaro, Shou-Chieh Hsu, Subrata Banik, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/79764?usp=email

to look at the new patch set (#2).

Change subject: mb/google/nissa/var/craaskov: Implement touchscreen power sequencing
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mb/google/nissa/var/craaskov: Implement touchscreen power sequencing

For brya variants with a touchscreen, drive the enable GPIO high
starting in romstage while holding in reset, then disable the reset
GPIO in ramstage (done in the baseboard).

BUG=b:317746281
TEST=emerge-nissa coreboot chromeos-bootimage

Change-Id: I3ca2e2d12a86eaae9e37870a2541c0287e354690
Signed-off-by: Rex Chou 
---
M src/mainboard/google/brya/variants/craaskov/gpio.c
1 file changed, 14 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/64/79764/2