V4L/DVB (7472): reworked patch to support TT connect S-2400

Added support for Technotrend connect S-2400.

Signed-off-by: Andre Weidemann <Andre.Weidemann@web.de>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>