[media] it913x [BUG] Enable endpoint 3 on devices with HID interface

On some USB controllers when endpoint 3 (used by HID) is not enabled
this causes a USB reset.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>