Also tried to give a go to 5123, but also got the message "did not find config.plist/Quirks", so got back to Clover r5119. Got to figure out those ocquirks.
Otherwise after update to Lilu 1.4.8, WhateverGreen 1.4.3 and AppleALC 1.5.3, update went smoothly, about 40 minutes and 3 reboots.