Randomly blue/green tinted picture

@sam_nazarko
Partial success only. Screen does not tint anymore on my 9704h Philips. BUT CEC stops randomly, like instantly after boot or after 5-10 minutes. I can still remote it by the KORE app, so Vero is working. A bit helpless what to do. RPi3 works flawlessly, but I really wanted this upgrade:((((. Vero CEC worked well before the rc.local fix was applied.