Hi,
I used AppleALC.kext + Lilu.kext in EFI/Clover/kexts/Other and injected layout-id 6 in config.plist. Layout-id 6 worked for me under High Sierra with the exact same notebook. Now in Mojave it is not working anymore.
I tried all layout ids in this range (1-11, 13-16, 18-20, 27-30, 32, 33...