V4L/DVB (11465): gspca - m5602-s5k4aa: Set all v4l2 ctrls on sensor init.

Reset all v4l2 ctrls on the s5k4aa init. The prevents all ctrls to be reset
during resume from ram.

Signed-off-by: Erik Andr?n <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>