Imitate success in WMI registration, so that drivers depending on it won't fail. (However DPRINT1 is inserted, so that devs notice the driver wants WMI)

svn path=/trunk/; revision=22895

reactos/ntoskrnl/wmi/wmi.c

@@ -22,8 +22,10 @@ NTAPI
 IoWMIRegistrationControl(IN PDEVICE_OBJECT DeviceObject,
                          IN ULONG Action)
 {
-    UNIMPLEMENTED;
-    return STATUS_NOT_IMPLEMENTED;
+    DPRINT1("IoWMIRegistrationControl() called for DO %p, requesting %d action, returning success\n",
+        DeviceObject, Action);
+
+    return STATUS_SUCCESS;
 }
 
 /*