The same GPIOs are used on both platforms, definitions are added an a new .h to make it easier to re-use them across the code. BRANCH=none BUG=chrome-os-partner:51537 TEST=panel backlight still enabled on Gru as before. The rest of the GPIOs are used in the upcoming patches. Change-Id: If06f4b33720ab4bf098d23fb91322bba23fe6e90 Signed-off-by: Martin Roth <martinroth@chromium.org> Original-Commit-Id: c587880 Original-Change-Id: I1a6c5b5beb82ffcc5fea397e8e9ec2f183f4a7e0 Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/346219 Original-Tested-by: Shunqian Zheng <zhengsq@rock-chips.com> Reviewed-on: https://review.coreboot.org/15029 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com>