enigma2: update to 4.3.1r12
- fixed memory leak (seen on mkv playback with MP3 audio and much tags inside)
- fixed motor turning when the previous transponder was in high band (22khz was enabled)
- allow to override HDR10 and HLG support reported by connected AVR/TV via EDID in AV Setup
- allow to disable the use of 12bit and 10bit via AV Setup... 12 bit is unneeded because
no content with 12bit exists yet.
- add possibility to show a HDR icon in skin via ServiceInfo Converter and "isHdr" as conversion
- allow auto modulation in manual scan for BCM45208 and BCM73625(dm520x)
- allow blindscan (only Symbolrates > 10Ksyms) for BCM45208