fixed iPXE mini image. merging into master.

extra/pre-build.d/x86_64/root/iso.pkgs.arch

@@ -1,2 +1,3 @@
 # Commented lines are supported (via a preceding # only).
 # Packages from the AUR can be specified.
+efitools

extra/templates/iPXE/EFI/base.conf.j2

@@ -1,3 +1,3 @@
-title   {{ bdisk['pname'] }} iPXE (netboot)
-efi   /EFI/BOOT/mini.efi
+title   {{ bdisk['pname'] }} iPXE (Mini)
+efi 	/EFI/boot/ipxe.efi