intel/kunimitsu: Enable wake from touch pad.

intel/kunimitsu: Enable wake from touch pad.

This patch enables GPP_B5 as ACPI_SCI for wake.
It also defines touchpad wake device in ACPI with GPE0_DW0_05 for _PRW.

BUG=chrome-os-partner:43491
BRANCH=none
TEST=Build for kunimitsu. Tested wake from touchpad on a reworked kunimitsu board.

Change-Id: I4347be8f7a4552c6b583f0797fab64045aa9792e
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 8c21f3b5df21d96937975dc20ee5e2f83fb3d75e
Original-Change-Id: I76e69bdba81ec22ae67c7cff3a807cea8c54a5b3
Original-Signed-off-by: Archana Patni <archana.patni@intel.com>
Original-Signed-off-by: Subramony Sesha <subramony.sesha@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/311007
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/12395
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>