Set GPP_C4 default to low to fix leakage voltage problem on touchscreen during power on.
BUG=b:142368161
BRANCH=Master
TEST=emerge-hatch coreboot chromeos-ec chromeos-bootimage
Flash FW to DUT, and make sure touchscreen works.
Signed-off-by: Kane Chen <kane_chen@pegatron.corp-partner.google.com>
Change-Id: Ie9197192c9d6dfb30c10559990c6010b1b2d3a45
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36670
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Shelley Chen <shchen@google.com>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>