dreambox-dvb-modules: update hw drivers for dm500hd, dm800se, dm7020hd, dm500hdv2, dm800sev2

- reverted to old audio core because of audio lost during skip fwd/bwd with some AVRs
- fixed broken transition between different audio types with enabled passthrough
Merge branch 'master' of git://git.code.sf.net/p/openpli/openpli-oe-core