Thank you for this modification. I tried to install it in two TV Boxes with s912 (H96 Pro plus , Beelink GT1) but on both i got the a halt on the kernel with message
random: crng init done
I read in this post https://forums.raspberrypi.com/viewtopic.php?t=255371#p1558598 that replacing the root with dev/sda2 in the cmdline.txt file should do the trick.
Unfortunately this file does not seem to exist in the armbian images . Any ideas ?