V4L/DVB (7069): Support for myTV.t

Here's a roll-up which provides support for both this and the myTV.t.

Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>