V4L/DVB (3305): Added support for the ADS Instant TV DUO Cardbus PTV331

Analog and DVB-T are working, Remote not yet.
This card is based on the new LifeView design, there should be many variants.

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>