V4L/DVB (10824): Add "Sony PlayTV" to dibcom driver

This patch introduces support for DVB-T for the following dibcom based card:
  Sony PlayTV (USB-ID: 1415:0003)

Signed-off-by: Sebastián Blanes <sebastian.blanes@gmail.com>
Cc: Patrick Boettcher <patrick.boettcher@desy.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>