V4L/DVB (13783): [Mantis/Technisat Cablestar HD2] Add support for the Technisat Cablestar HD2

Signed-off-by: Marko Viitamaki <mau2@suomi24.fi>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>