V4L/DVB (10294): uvcvideo: Add support for the Alcor Micro AU3820 chipset.

The Alcor Micro AU3820 chipset (found in the Future Boy PC USB webcam)
requires the MINMAX quirk. Add a corresponding entry in the device IDs list.

Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>