V4L/DVB: Support for Sharp IX2505V (marked B0017) DVB-S silicon tuner

Tuner used in Sharp BS2F7VZ7395 dvbs module.
When ix2505v tuner is attached to stv0288 form this module.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>