dtb-m400 from devel:ARM:Factory:Contrib:m400 project
Select Your Operating System
Add repository and install manually
For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:ARM:Factory:Contrib:m400/standard/devel:ARM:Factory:Contrib:m400.repo zypper refresh zypper install dtb-m400