V4L/DVB: ngene: Mystique SaTiX-S2 Dual

Identify card 18c3:db01 as 'Mystique SaTiX-S2 Dual'.

Signed-off-by: Matthias Benesch <twoof7@freenet.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>