grub2-i386-efi from home:vlefebvre:unified project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:vlefebvre:unified/openSUSE_Tumbleweed/home:vlefebvre:unified.repo zypper refresh zypper install grub2-i386-efi