It looks like the latest commit there is still 99798df from 2016.
The latest commit was authored in 2016 but applied in October: Commits · kszaq/linux-amlogic-le · GitHub
I tried to build from your latest commit (fe3e590) but got 404 errors when trying to get the latest linux kernel
Please build using 8.2.1.1 tag, the latest kernel commits have not been uploaded yet, still in development.