selftests/hid: add test for assigning a given device to hid-generic

selftests/hid: add test for assigning a given device to hid-generic

We use a well known VID/PID on a driver that doesn't need to talk to
the device, ensures we created the device against the target driver,
then load our program and ensure we have unbound to this driver and use
hid-generic instead.

Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://patch.msgid.link/20241001-hid-bpf-hid-generic-v3-9-2ef1019468df@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>