Change in coreboot[master]: mb/google/skyrim: Add Goodix touchscreen

[Ian Feng (Code Review)]

Attention is currently required from: Ian Feng.
Hello build bot (Jenkins), Raul Rangel, Karthik Ramasubramanian,

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

https://review.coreboot.org/c/coreboot/+/63573

to look at the new patch set (#3).

Change subject: mb/google/skyrim: Add Goodix touchscreen
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mb/google/skyrim: Add Goodix touchscreen

Add Goodix touchscreen according to the Programming Guide Rev.0.7

BUG=b:228907558
TEST=local build and tested with Goodix touch screen

Change-Id: I35dd3ca76e9e0f17508bef46c90b53b4be5d0033
Signed-off-by: Ian Feng 
---
M src/mainboard/google/skyrim/variants/baseboard/gpio.c
M src/mainboard/google/skyrim/variants/skyrim/overridetree.cb
2 files changed, 23 insertions(+), 4 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/73/63573/3