V4L/DVB (11057): Fix CiMax stability in Netup Dual DVB-S2 CI

It appears TS discontinuity about one per 10 hrs if CAM used.
Patch to fix it.

Signed-off-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>