V4L/DVB: gspca - sq930x: Bad init sequence for sensor mt9v111

The start_1 exchange must be done by (reg, val) * 5 and not 8.

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