xlat v2: Cleanup get/change mem attr helpers

Changed the names for consistency with the rest of the library. Introduced
new helpers that manipulate the active translation tables context.

Change-Id: Icaca56b67fcf6a96e88aa3c7e47411162e8e6856
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/include/lib/xlat_tables/xlat_tables_v2.h b/include/lib/xlat_tables/xlat_tables_v2.h
index fd61fc4..022acce 100644
--- a/include/lib/xlat_tables/xlat_tables_v2.h
+++ b/include/lib/xlat_tables/xlat_tables_v2.h
@@ -296,14 +296,15 @@
  * translation tables are not modified by any other code while this function is
  * executing.
  */
-int change_mem_attributes(const xlat_ctx_t *ctx, uintptr_t base_va, size_t size,
-			  uint32_t attr);
+int xlat_change_mem_attributes_ctx(const xlat_ctx_t *ctx, uintptr_t base_va,
+				   size_t size, uint32_t attr);
+int xlat_change_mem_attributes(uintptr_t base_va, size_t size, uint32_t attr);
 
 /*
  * Query the memory attributes of a memory page in a set of translation tables.
  *
  * Return 0 on success, a negative error code on error.
- * On success, the attributes are stored into *attributes.
+ * On success, the attributes are stored into *attr.
  *
  * ctx
  *   Translation context to work on.
@@ -311,11 +312,12 @@
  *   Virtual address of the page to get the attributes of.
  *   There are no alignment restrictions on this address. The attributes of the
  *   memory page it lies within are returned.
- * attributes
+ * attr
  *   Output parameter where to store the attributes of the targeted memory page.
  */
-int get_mem_attributes(const xlat_ctx_t *ctx, uintptr_t base_va,
-		       uint32_t *attributes);
+int xlat_get_mem_attributes_ctx(const xlat_ctx_t *ctx, uintptr_t base_va,
+				uint32_t *attr);
+int xlat_get_mem_attributes(uintptr_t base_va, uint32_t *attr);
 
 #endif /*__ASSEMBLY__*/
 #endif /* XLAT_TABLES_V2_H */