Input: xpad - sort supported devices by USB ID

Some entries in the table of supported devices are out of order.
To not create a mess when adding new ones using a script, sort them first.

Signed-off-by: Benjamin Valentin <benpicco@googlemail.com>
Reviewed-by: Cameron Gutman <aicommander@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>