Update dm920 hardware drivers

[supermax]

Update dm920 hardware drivers
Update 19/11/2017

small demux bugfix

http://git.opendreambox.org/?p=opendreambox.git;a=commit;h=2ecf1cc2328448d785852abb7fa5bbd39b456fde

enigma2: add patch to fix not working DVB-S transponders directly after blindscan (broken since 4.3.1r20)

http://git.opendreambox.org/?p=opendreambox.git;a=commit;h=0c509f9ac923a5aafe76113dfb962e9424b88e69