commit d0187f1178ede9b774f5c5f05be9be3e43154c1c
author Daniel Kurtz <djkurtz@chromium.org> Wed Apr 12 02:36:22 2017
committer chrome-bot <chrome-bot@chromium.org> Fri Apr 14 12:09:42 2017
tree 2f42b20462cba10e32de45c74f15b7632d4c5978
parent 902382809198eacf9f4cd964ee93d434f677120c

oak: Add rowan backlight support

rowan boards use CONFIG_BOARD_ID_ADJUSTMENT = 15, and PAD_DAIPCMOUT for
their panel_lcd_power_en pin.  Otherwise they follow the same backlight
update flow as other oak derivitaves.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>

BRANCH=none
BUG=b:35774871
TEST=In developer mode, rowan backlight gets enabled during boot by
  depthcharge

Change-Id: I12786920bd80cb50e1f5c1668c9bcd94ba60400d
Reviewed-on: https://chromium-review.googlesource.com/475531
Commit-Ready: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>