V4L/DVB: gspca - sonixj: Adjust minor values of sensor ov7630.  - set the color gains to null at init time  - change value of register 0x9a
Signed-off-by: NJean-François Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>