For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:MasterPatricko:branches:KDE:Frameworks5/openSUSE_Factory_PowerPC/home:MasterPatricko:branches:KDE:Frameworks5.repo
zypper refresh
zypper install sddm
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:MasterPatricko:branches:KDE:Frameworks5/openSUSE_Factory/home:MasterPatricko:branches:KDE:Frameworks5.repo
zypper refresh
zypper install sddm