[media] anysee: add support for Anysee E7 S2

It is DVB-S/S2 USB box.

* DNBU10512IST NIM
 * STV0903 demod
 * STV6110 tuner

* Intersil ISL6423 LNB controller

Signed-off-by: Antti Palosaari <crope@iki.fi>
Cc: info@anysee.com
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>