[media] cx25840: enable raw cc processing only for the cx23885 hardware

This change is probably good for other boards also, but the change
has limited scope and is reasonably safe.

Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
1 file changed