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_dpio.h b/include/fsl-mc/fsl_dpio.h
index c300c94..7788e19 100644
--- a/include/fsl-mc/fsl_dpio.h
+++ b/include/fsl-mc/fsl_dpio.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * Copyright (C) 2013-2016 Freescale Semiconductor
+ * Copyright 2013-2016 Freescale Semiconductor, Inc.
  * Copyright 2017 NXP
  */