- sync from SLE-11 SP3 to date
- set empty prefix to grub.efi for looking up in current directory
- grub2-cdpath.patch: fix the grub.cfg not found when booting from
optical disk
- put grub.efi in grub2's source module directory
- create links in system's efi directory to grub.efi
- arvidjaar: do not overwrite device path in grub2-cdpath.patch
OBS-URL: https://build.opensuse.org/request/show/150514
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=12
