Tuner improvements and additions.  TEA5767 FM tuner added.  Several small
fixes.
Signed-off-by: NMauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: NNickolay V Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>