DVB (2441): Driver support for live-ac3, firmware >= 2621 required.

- Driver support for live-ac3, firmware >= 2621 required.

Signed-off-by: Dr. Werner Fink <werner@suse.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>