There is no driver for new NXP TDA18218	tuner which is used by few recent
af9015 designs. af9015 uses number 179 as ID for that tuner. Inform this
tuner is not supported when device using that tuner is meet.
Signed-off-by: NAntti Palosaari <crope@iki.fi>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

- initial driver for the Afatech AF9013 demodulator
Signed-off-by: NAntti Palosaari <crope@iki.fi>
[mchehab.redhat.com: having a global var called 'debug' is not a good idea. rename it to af9013_debug]
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>