selftests/hid: Add HIDIOCREVOKE tests

Add 4 tests for the new revoke ioctl, for read/write/ioctl and poll.

Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Link: https://patch.msgid.link/20240827-hidraw-revoke-v5-4-d004a7451aea@kernel.org


Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>