[media] au0828-dvb: attach tuner based on dev->board.tuner_type on hvr950q

We can tell from the eeprom whether we have a xc5000a or xc5000c.
Attach the correct tuner based on this information.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>