V4L/DVB (10823): saa7134: add DVB support for Avermedia A700 cards

Add DVB support for Avermedia DVB-S Pro and
Avermedia DVB-S Hybrid+FM card both labled A700.

They use zl10313 demod (driver mt312) and zl10036 tuner.

[mchehab@redhat.com: change __FUNCTION__ into __func__]
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>