First working version of the dib7000m-driver. 
This commit also makes the Hauppauge NOVA-T Stick working.
Signed-off-by: NFrancois Kanounnikoff <fkanounnikoff@dibcom.fr>
Signed-off-by: NPatrick Boettcher <pboettcher@dibcom.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>