PSCI: Fix types of definitions

Also change header guards to fix defects of MISRA C-2012 Rule 21.1.

Change-Id: Ied0d4b0e557ef6119ab669d106d2ac5d99620c57
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Acked-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/plat/hisilicon/hikey/include/platform_def.h b/plat/hisilicon/hikey/include/platform_def.h
index b240448..54be978 100644
--- a/plat/hisilicon/hikey/include/platform_def.h
+++ b/plat/hisilicon/hikey/include/platform_def.h
@@ -4,14 +4,15 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PLATFORM_DEF_H__
-#define __PLATFORM_DEF_H__
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
 
 #include <arch.h>
 #include <common_def.h>
 #include <hikey_def.h>
 #include <hikey_layout.h>		/* BL memory region sizes, etc */
 #include <tbbr_img_def.h>
+#include <utils_def.h>
 
 /* Special value used to verify platform parameters from BL2 to BL3-1 */
 #define HIKEY_BL31_PLAT_PARAM_VAL	0x0f1e2d3c4b5a6978ULL
@@ -34,8 +35,8 @@
 #define PLAT_NUM_PWR_DOMAINS		(PLATFORM_CORE_COUNT + \
 					 PLATFORM_CLUSTER_COUNT + 1)
 
-#define PLAT_MAX_RET_STATE		1
-#define PLAT_MAX_OFF_STATE		2
+#define PLAT_MAX_RET_STATE		U(1)
+#define PLAT_MAX_OFF_STATE		U(2)
 
 #define MAX_IO_DEVICES			3
 #define MAX_IO_HANDLES			4
@@ -79,4 +80,4 @@
 #define CACHE_WRITEBACK_SHIFT		6
 #define CACHE_WRITEBACK_GRANULE		(1 << CACHE_WRITEBACK_SHIFT)
 
-#endif /* __PLATFORM_DEF_H__ */
+#endif /* PLATFORM_DEF_H */
diff --git a/plat/hisilicon/hikey960/include/platform_def.h b/plat/hisilicon/hikey960/include/platform_def.h
index beff47c..5a6021a 100644
--- a/plat/hisilicon/hikey960/include/platform_def.h
+++ b/plat/hisilicon/hikey960/include/platform_def.h
@@ -4,10 +4,11 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PLATFORM_DEF_H__
-#define __PLATFORM_DEF_H__
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
 
 #include <arch.h>
+#include <utils_def.h>
 #include "../hikey960_def.h"
 
 /* Special value used to verify platform parameters from BL2 to BL3-1 */
@@ -31,8 +32,8 @@
 #define PLAT_NUM_PWR_DOMAINS		(PLATFORM_CORE_COUNT + \
 					 PLATFORM_CLUSTER_COUNT + 1)
 
-#define PLAT_MAX_RET_STATE		1
-#define PLAT_MAX_OFF_STATE		2
+#define PLAT_MAX_RET_STATE		U(1)
+#define PLAT_MAX_OFF_STATE		U(2)
 
 #define MAX_IO_DEVICES			3
 #define MAX_IO_HANDLES			4
@@ -140,4 +141,4 @@
 #define CACHE_WRITEBACK_SHIFT		6
 #define CACHE_WRITEBACK_GRANULE		(1 << CACHE_WRITEBACK_SHIFT)
 
-#endif /* __PLATFORM_DEF_H__ */
+#endif /* PLATFORM_DEF_H */
diff --git a/plat/hisilicon/poplar/include/platform_def.h b/plat/hisilicon/poplar/include/platform_def.h
index 8e8f009..824ca34 100644
--- a/plat/hisilicon/poplar/include/platform_def.h
+++ b/plat/hisilicon/poplar/include/platform_def.h
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PLATFORM_DEF_H__
-#define __PLATFORM_DEF_H__
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
 
 #include <arch.h>
 #include <common_def.h>
@@ -131,8 +131,8 @@
 
 /* Power states */
 #define PLAT_MAX_PWR_LVL		(MPIDR_AFFLVL1)
-#define PLAT_MAX_OFF_STATE		2
-#define PLAT_MAX_RET_STATE		1
+#define PLAT_MAX_OFF_STATE		U(2)
+#define PLAT_MAX_RET_STATE		U(1)
 
 /* Interrupt controller */
 #define PLAT_ARM_GICD_BASE	GICD_BASE
@@ -168,4 +168,4 @@
 
 #define PLAT_ARM_G0_IRQ_PROPS(grp)
 
-#endif /* __PLATFORM_DEF_H__ */
+#endif /* PLATFORM_DEF_H */