Input: wacom - process outbound for newer Cintiqs

New Cintiq tablets have a 200 tablet counts outside of screen area.
Add x/y_min for ABS_X/Y to pass this information to userland.

Signed-off-by: Ping Cheng <pingc@wacom.com>
Reviewed-by: Jason Gerecke <killertofu@gmail.com>
Tested-by: Jason Gerecke <killertofu@gmail.com>
input-wacom 0.22.1

Signed-off-by: Jason Gerecke <killertofu@gmail.com>
input: wacom: Support up to 2048 pressure levels with ISDv4

Signed-off-by: Jason Gerecke <killertofu@gmail.com>
input: wacom: Add support for 0x12C ISDv4 sensor

Signed-off-by: Jason Gerecke <killertofu@gmail.com>