Input: xpad - add the ByoWave Proteus controller

Signed-off-by: Pierre-Loup A. Griffais <pgriffais@valvesoftware.com>
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250513225411.2718072-3-vi@endrift.com


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>