Reks: switch Touchpad and Touchscreen interrupts to be level-triggered

The Elan and Melfas touch controllers found in this device work much
more reliably if used with level-triggered interrupts rather than
edge-triggered.

BUG=chromium:734663
TEST=Boot Reks, verify that touchpad and touchscreen work.

Change-Id: I59d05d9dfa9c41e5472d756ef51f0817a503c889
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/817989
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
3 files changed