V4L/DVB (3351): adding support for knc1 Tv Star dvb-s

- Added knc1 tv star dvb-s support with philips tuner sd1878.

Signed-off-by: Regis Prevot <regis.prevot@anevia.com>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>