[media] fc001x: common header file for FC0012 and FC0013

Common defines for the FC0012 (v0.5) and FC0013 tuner drivers

Signed-off-by: Hans-Frieder Vogt <hfvogt@gmx.net>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>