Follow CL:433083, integrate this to children.
BUG=chrome-os-partner:59712,chrome-os-partner:62641
BRANCH=reef
TEST=gpioget EN_P3300_TRACKPAD_ODL is 1 in S5 & below, 0 otherwise.
Change-Id: I86716e95d7a32c44df9fe46419dccd842eb7dd48
Signed-off-by: Harry Pan <harry.pan@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/438779
Reviewed-by: Aaron Durbin <adurbin@chromium.org>