For openSUSE Leap 42.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mkubecek:baytrail/openSUSE_Leap_42.3/home:mkubecek:baytrail.repo
zypper refresh
zypper install grub2-i386-pc
For openSUSE Leap 42.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mkubecek:baytrail/openSUSE_Leap_42.2/home:mkubecek:baytrail.repo
zypper refresh
zypper install grub2-i386-pc
For openSUSE Leap 15.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mkubecek:baytrail/openSUSE_Leap_15.0/home:mkubecek:baytrail.repo
zypper refresh
zypper install grub2-i386-pc