xlat: Fix MISRA defects

Fix defects of MISRA C-2012 rules 8.13, 10.1, 10.3, 10.4, 10.8, 11.6,
14.4, 15.7, 17.8, 20.10, 20.12, 21.1 and Directive 4.9.

Change-Id: I7ff61e71733908596dbafe2e99d99b4fce9765bd
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/lib/xlat_tables_v2/xlat_tables_private.h b/lib/xlat_tables_v2/xlat_tables_private.h
index 93640dd..47c5ae8 100644
--- a/lib/xlat_tables_v2/xlat_tables_private.h
+++ b/lib/xlat_tables_v2/xlat_tables_private.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __XLAT_TABLES_PRIVATE_H__
-#define __XLAT_TABLES_PRIVATE_H__
+#ifndef XLAT_TABLES_PRIVATE_H
+#define XLAT_TABLES_PRIVATE_H
 
 #include <platform_def.h>
 #include <xlat_tables_defs.h>
@@ -35,6 +35,8 @@
 
 #endif /* PLAT_XLAT_TABLES_DYNAMIC */
 
+extern uint64_t mmu_cfg_params[MMU_CFG_PARAM_MAX];
+
 /*
  * Return the execute-never mask that will prevent instruction fetch at the
  * given translation regime.
@@ -61,7 +63,7 @@
 void xlat_arch_tlbi_va_sync(void);
 
 /* Print VA, PA, size and attributes of all regions in the mmap array. */
-void xlat_mmap_print(mmap_region_t *const mmap);
+void xlat_mmap_print(const mmap_region_t *mmap);
 
 /*
  * Print the current state of the translation tables by reading them from
@@ -73,14 +75,14 @@
  * Returns a block/page table descriptor for the given level and attributes.
  */
 uint64_t xlat_desc(const xlat_ctx_t *ctx, uint32_t attr,
-		   unsigned long long addr_pa, int level);
+		   unsigned long long addr_pa, unsigned int level);
 
 /*
  * Architecture-specific initialization code.
  */
 
 /* Returns the current Exception Level. The returned EL must be 1 or higher. */
-int xlat_arch_current_el(void);
+unsigned int xlat_arch_current_el(void);
 
 /*
  * Return the maximum physical address supported by the hardware.
@@ -94,4 +96,4 @@
  */
 int is_mmu_enabled_ctx(const xlat_ctx_t *ctx);
 
-#endif /* __XLAT_TABLES_PRIVATE_H__ */
+#endif /* XLAT_TABLES_PRIVATE_H */