Tegra194: drivers: fix violations of MISRA Rule 21.1

This patch fixes the violations of Rule 21.1 from all the
header files.

Rule 21.1 "#define and #undef shall not be used on a reserved
           identifier or reserved macro name"

Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Change-Id: I12e17a5d7158defd33b03416daab3049749905fc
diff --git a/plat/nvidia/tegra/soc/t194/drivers/se/se_private.h b/plat/nvidia/tegra/soc/t194/drivers/se/se_private.h
index f5c0045..a2c5d1c 100644
--- a/plat/nvidia/tegra/soc/t194/drivers/se/se_private.h
+++ b/plat/nvidia/tegra/soc/t194/drivers/se/se_private.h
@@ -1,12 +1,12 @@
 /*
  * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
- * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __SE_PRIVATE_H__
-#define __SE_PRIVATE_H__
+#ifndef SE_PRIVATE_H
+#define SE_PRIVATE_H
 
 #include <lib/utils_def.h>
 
@@ -82,4 +82,4 @@
 	mmio_write_32(TEGRA_SE0_BASE + offset, val);
 }
 
-#endif /* __SE_PRIVATE_H__ */
+#endif /* SE_PRIVATE_H */