The gt911 can recognize up to 5 touch points at a time.
Add code to support these multi-touch events.
Signed-off-by: Farah Fliss <farah.fliss@nxp.com>
Signed-off-by: Phi Bang Nguyen <phibang.nguyen@nxp.com>
Convert the GT911 driver to the input subsystem, fix the existing boards
to work in the default config.
Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>