DVB: au0828: add support for another USB id for Hauppauge HVR950Q

(cherry picked from commit a636da6b)

DVB: au0828: add support for another USB id for Hauppauge HVR950Q

Add autodetection support for a new revision of the Hauppauge HVR950Q (2040:721e)

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>