Change in coreboot[master]: mb/google/dedede/var/cappy2: Add camera support

[Sunwei Li (Code Review)]

Attention is currently required from: Sunwei Li, Henry Sun, Bob Moragues, Weimin Wu.
Hello build bot (Jenkins), Henry Sun, Bob Moragues, Aseda Aboagye, Weimin Wu, Karthik Ramasubramanian,

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

https://review.coreboot.org/c/coreboot/+/56647

to look at the new patch set (#6).

Change subject: mb/google/dedede/var/cappy2: Add camera support
......................................................................

mb/google/dedede/var/cappy2: Add camera support

Add camera support in devicetree and associated GPIO configuration.

BUG=b:193397569
BRANCH=dedede
TEST=Camera function is OK

Signed-off-by: Sunwei Li 
Change-Id: I3275ab408f6a03735a35eaa8025c36df09c9898c
---
A src/mainboard/google/dedede/variants/cappy2/Makefile.inc
A src/mainboard/google/dedede/variants/cappy2/gpio.c
M src/mainboard/google/dedede/variants/cappy2/overridetree.cb
3 files changed, 36 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/47/56647/6