rcar_gen3: drivers: ddr_b: Fix checkpatch errors in headers

Clean up the DDR B header files and remove checkpatch errors.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: I9648ef5511df299688fd5284513812d32a1f8064
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/ddr_regdef.h b/drivers/staging/renesas/rcar/ddr/ddr_b/ddr_regdef.h
index 7f27b39..adf8dab 100644
--- a/drivers/staging/renesas/rcar/ddr/ddr_b/ddr_regdef.h
+++ b/drivers/staging/renesas/rcar/ddr/ddr_b/ddr_regdef.h
@@ -1,5 +1,6 @@
 /*
- * Copyright (c) 2018-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2018-2019, Renesas Electronics Corporation.
+ * All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */