I had a play with Lima today and found a bug, which prevented working Kodi with mesa on some Allwinner SoCs. Result of this is renewed effort in H5 support.
New test image for OrangePi PC2 (H5): LibreELEC-H5.arm-9.80-devel-20200125235015-3a7a09a-orangepi-pc2.img.gz
Please test and report. CEC probably doesn't work, but most of other stuff should.
IR, libreelec repo doesn't work