mb/google/hatch/var/kindred: Add ELAN touchscreen support
Add ELAN EKTH6918 USI touchsreen support.
BUG=b:
131205495 b:
127996093
TEST=FW_NAME=kindred emerge-hatch coreboot chromeos-bootimage
and check touchscreen work.
Change-Id: I8b003685cd7ee68738bcd4298b63a44d6e6118e4
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37236
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>