[M] Change in coreboot[main]: mb/google/dedede/var/awasuki: Enable ELAN touchscreen with fw_config

[Weimin Wu (Code Review)]

Attention is currently required from: Weimin Wu.

Hello build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/83704?usp=email

to look at the new patch set (#4).

Change subject: mb/google/dedede/var/awasuki: Enable ELAN touchscreen with fw_config
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mb/google/dedede/var/awasuki: Enable ELAN touchscreen with fw_config

1. Change driver form i2c/hid to i2c/generic.
2. Add fw_config for touchscreen.

BUG=b:351968527
TEST=ectool cbi set 6 0x0x10200a0;
     touchscreen functions normally;

Change-Id: Ifd6330be8924d4873f0efab3ce404168a62099eb
Signed-off-by: Weimin Wu 
---
M src/mainboard/google/dedede/variants/awasuki/overridetree.cb
M src/mainboard/google/dedede/variants/awasuki/ramstage.c
2 files changed, 40 insertions(+), 15 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/04/83704/4