[media] mceusb: Formosa e017 device has no tx

Per hardware provided to me, the Formosa Industrial Computing eHome
Infrared Receiver, 0x147a:0xe017, has no tx capability, it is rx only.

Thanks go to Paul Rae for the hardware.

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>