V4L/DVB (9812): [PATCH] short help for Technisat cards to select the right configuration

This patch adds a short help for Technisat cards to help the user
selecting the right configuration for his card(s).

Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>