mb/google/kahlee: Add grunt trackpad in devicetree

This commit removes a manually written asl file in favor of configuring
the trackpad through devicetree.

BUG=b:72121803
TEST=cat /proc/interrupts with trackpad connected

Change-Id: I38afcf89ea64ffaf6a10bb317c41154feda57e50
Signed-off-by: Justin TerAvest <teravest@chromium.org>
Reviewed-on: https://review.coreboot.org/23508
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
3 files changed