V4L/DVB (13893): gspca - vc032x: Change the sensor of 046d:0892 and 046d:0896.

- new sensor POxxxx (unknown ID)
- no probe
- new controls
- table for the disabled controls

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>