mb/google/octopus: update phaser touchscreen enable gpio

The next build for phaser swapped the gpio for the touchscreen
enable. In order to support previous builds the devicetree needs
to be updated at runtime based on board revision id.

BUG=b:111808427,b:111743717
TEST=built

Change-Id: I45ef05ea0b991d04d5bf410cd7a175913bf0bf5d
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/27638
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2 files changed