[media] gspca - sonixj: Infrared bug fix and enhancement

The infrared was set by sensor write instead of bridge GPIO.
It is now settable by the standard control ILLUMINATOR_1.
A module parameter permits to set the right GPIO bit according
to the StarCam model.

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