Recommended update for grub2

This update for grub2 fixes the following issues:

- Make efi hand off the default entry point of the linux command (bsc#1176134)

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Fixed bugs
bnc#1176134
[Build 20.3] JeOS images 15sp3 do not boot in uefi mode
bnc#1176591
UEFI boot broken
Selected Binaries
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