For openSUSE Leap 42.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Virtualization:containers:ppc64le_with_gc_go/openSUSE_Leap_42.1/Virtualization:containers:ppc64le_with_gc_go.repo
zypper refresh
zypper install zypper-docker
For openSUSE Factory standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Virtualization:containers:ppc64le_with_gc_go/openSUSE_Factory_standard/Virtualization:containers:ppc64le_with_gc_go.repo
zypper refresh
zypper install zypper-docker
For openSUSE 13.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Virtualization:containers:ppc64le_with_gc_go/openSUSE_13.2/Virtualization:containers:ppc64le_with_gc_go.repo
zypper refresh
zypper install zypper-docker