Merge pull request #112120 from dotlambda/multibootusb-broken

multibootusb: mark as broken

pkgs/applications/misc/multibootusb/default.nix

···
     homepage = "http://multibootusb.org/";
     license = licenses.gpl2;
     maintainers = []; # Looking for a maintainer!
+    broken = true; # "name 'config' is not defined", added 2021-02-06
   };
 }