V4L/DVB (11345): af9015: support for DigitalNow TinyTwin remote

Patch to provide basic support for DigitalNow TinyTwin Remote. It uses
same remote as TwinHan AzureWave AD-TU700(704J).

Signed-off-by: Stuart Hall <mailing-lists@enginuities.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>