driver: net: fsl-mc: updated copyright info

Updated copyright info for the issues reported after running
check-legal test.

Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/include/fsl-mc/fsl_dpmac.h b/include/fsl-mc/fsl_dpmac.h
index 66cf3bf..1cea123 100644
--- a/include/fsl-mc/fsl_dpmac.h
+++ b/include/fsl-mc/fsl_dpmac.h
@@ -2,7 +2,7 @@
 /*
  * Freescale Layerscape MC I/O wrapper
  *
- * Copyright (C) 2015-2016 Freescale Semiconductor, Inc.
+ * Copyright 2015-2016 Freescale Semiconductor, Inc.
  * Copyright 2017 NXP
  * Author: Prabhakar Kushwaha <prabhakar@freescale.com>
  */