V4L/DVB (4307): Added support for the md8800 quadro board

Analog TV, CVBS, S-video and DVB-T are working,
DVB-S not yet

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