grub2, os-prober: fixed issue with secureboot
This update fixes the following issue with grub2 and os-prober:
- grub2:
+ bnc#810912: recognize linuxefi/initrdefi too
- os-prober:
+ bnc#810912: use linuxefi in 30_os_prober if secure boot is enabled
- Submitted by Andrei Borzenkov (arvidjaar)
Fixed bugs
bnc#810912
grub2-efi generates faulty commands for loading another linux (missing "initrd") in UEFI setup