Those two kext are not necessary since we use a 8086:0a26 ID for this IGPU and our HDAU is a 8086:0a0c ID which is natively supported by macOS.
The patch for Sierra is different from ElCapitan ... I don't know why ...
If you want support attach Rapport.zip as requested in post#1.
Edit: EDID can also affect HDMI audio, you can also revert to Clover r3739 (post#25) until I update the package