Sorry for stepping in a year later, as I am really grateful for this dtb file.
Can you please provide some detail where this file is from and how to make it?
I am using an odroid N2+ to accomodate a Zigbee device like this one. That used to work in the armbian buster release out of the box. From bullseye on it stopped working an I switched to an USB based solution. Now I need to switch back and came across this thread.
Thanks for your help.