uboot-phytec

efi_loader: refactor efi_create_event

efi_create_event is refactored to make it possible to call it
internally. For EFI applications wrapper function
efi_create_event_ext is created.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>