[media] winbond-cir: Initialise timeout, driver_type and allowed_protos

We need to set a timeout so we can go idle on no activity.

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: David Härdeman <david@hardeman.nu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>