Fix EFI modules missing on boot.

ansible/templates/grub.cfg.chainboot.j2

@@ -4,6 +4,12 @@ insmod chain
 dhcp
 set timeout=3
 
+menuentry 'Local Chainload' --class os  {
+  set background_color=black
+  search --no-floppy --file /efi/boot/bootx64.efi --set efi
+  echo "EFI partition is $efi"
+  chainloader ($efi)/efi/boot/bootx64.efi
+}
 menuentry 'Local Boot' --class os  {
   set background_color=black
   search --no-floppy --file /grub/grub.cfg --set pivot