AMD chips don't hold off a reset to the end of I2C transitions, so
devices on the i2c bus can be left in a bad state. To avoid this,
make sure the trackpad and touchscreen chips get disabled
during boot.
BUG=b:114411165
TEST=build, reboot watch trackpad enable go low
Change-Id: Ie50f4a102249df79517da571a6e768dba804cd57
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/28538
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
c4b0fd0a86