create_disk: use normal not source in grub
Use normal instead of source $prefix/grub.cfg. Grub already sources
$prefix/grub.cfg when executing normal[1] and it appears that sometimes
just sourcing the main grub config does not switch to normal mode
(appears to happen on BM arm but not qemu?).
[1]
@@ -74,7 +74,7 @@ cp "/boot/efi/EFI/fedora/grub${ext,,}.efi" "rootfs/boot/efi/EFI/BOOT/grub${ext,,
cat > rootfs/boot/efi/EFI/fedora/grub.cfg << 'EOF'
search --label boot --set prefix
set prefix=($prefix)/grub2
-source $prefix/grub.cfg
+normal
EOF
# copy the grub config and any other files we might need
