grub2: Two fixes
This update fixes the following issues with grub2:
- bnc#811608: fixed potential failure of chainloading efi loader in secureboot enabled mode
- bnc#809038: corretly set chainloaded image device handle in secure boot mode
- fixed ppc-build
- Submitted by Michael Chang (michael-chang)
Fixed bugs
bnc#811608
Grub2 chainloader failed to boot xen on Intel tunnel mountain if secure boot enabled
bnc#809038
EFI problems - cannot boot windows with secure boot