V4L/DVB (12281): gspca - sunplus: Webcam 052b:1803 added.

Signed-off-by: Johannes Goerner <johannes-goerner@gmx.de>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>