For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:glodi:branches:Kernel:stable/standard/home:glodi:branches:Kernel:stable.repo
zypper refresh
zypper install kernel-obs-build
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:glodi:branches:Kernel:stable/openSUSE_Tumbleweed/home:glodi:branches:Kernel:stable.repo
zypper refresh
zypper install kernel-obs-build
For QA run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:glodi:branches:Kernel:stable/QA/home:glodi:branches:Kernel:stable.repo
zypper refresh
zypper install kernel-obs-build