[media] go7007: Fix 2250 urb type

commit a846d8fce9e8be30046be3c512982bd0345e7015

The 2250 board uses bulk endpoint for interrupt handling,
and should use a bulk urb instead of an int urb.

Signed-off-by: Pete Eberlein <pete@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>