V4L/DVB (4359): Cx88: add initial support for Hauppauge HVR3000 trimode card

add initial support for Hauppauge WinTV-HVR3000 TriMode Analog/DVB-S/DVB-T
only analog is working for now

Signed-off-by: Eric Thomas <ethomas@claranet.fr>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>