Input: xpad - add support for ZOTAC Gaming Zone

ZOTAC Gaming Zone is ZOTAC's 2024 handheld release. As it is common
with these handhelds, it uses a hybrid USB device with an xpad
endpoint, a keyboard endpoint, and a vendor-specific endpoint for
RGB control et al.

Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Link: https://lore.kernel.org/r/20250222170010.188761-2-lkml@antheas.dev


Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>