Merge branch '7.4' into 8.0

* 7.4:
  update enumClass to enumFqcn

Author: javiereguiluz

components/config/definition.rst

@@ -178,14 +178,14 @@ The configuration can now be written like this::
         ->end()
     ;
 
-You can also use the ``enumClass()`` method to pass the FQCN of an enum
+You can also use the ``enumFqcn()`` method to pass the FQCN of an enum
 class to the node. This will automatically set the values of the node to
 the cases of the enum::
 
     $rootNode
         ->children()
             ->enumNode('delivery')
-                ->enumClass(Delivery::class)
+                ->enumFqcn(Delivery::class)
             ->end()
         ->end()
     ;