V4L/DVB (6040): Add IR support for Nova-T Stick

Working with Nova-T Stick (70001) with remote control model A415.
Untested with other dib0700m/dib0700p devices.

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>