Update year in copyright text to 2014

Change-Id: Ic7fb61aabae1d515b9e6baf3dd003807ff42da60
diff --git a/include/bl_common.h b/include/bl_common.h
index 7912ab6..2d1d0db 100644
--- a/include/bl_common.h
+++ b/include/bl_common.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met: