V4L/DVB (12694): gspca - vc032x: Change the start exchanges of the sensor hv7131r.

The new exchanges are taken from the information file of the ms-win driver
(usbvm326.inf - webcam 15b8:6002).

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