V4L/DVB (11492): af9015: support for Conceptronic USB2.0 DVB-T CTVDIGRCU V3.0

Add USB ID (1b80:e397) for Conceptronic USB2.0 DVB-T CTVDIGRCU V3.0.

Signed-off-by: Marcel Jueling <Marcel@Jueling.de>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>