fix(arm): use EL3_PAS in MAP_BL2_TOTAL definition

Similarly to BL1 and BL31, use EL3_PAS macro from xlat_tables header
(depends on ENABLE_RME) in BL2 to define MAP_BL2_TOTAL.

Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Change-Id: I59a3b297efd2eacd082a297de6b579b7c9052883
diff --git a/plat/arm/common/arm_bl2_setup.c b/plat/arm/common/arm_bl2_setup.c
index 07b3b62..17dc0ed 100644
--- a/plat/arm/common/arm_bl2_setup.c
+++ b/plat/arm/common/arm_bl2_setup.c
@@ -52,17 +52,10 @@
 #pragma weak bl2_plat_arch_setup
 #pragma weak bl2_plat_sec_mem_layout
 
-#if ENABLE_RME
 #define MAP_BL2_TOTAL		MAP_REGION_FLAT(			\
 					bl2_tzram_layout.total_base,	\
 					bl2_tzram_layout.total_size,	\
-					MT_MEMORY | MT_RW | MT_ROOT)
-#else
-#define MAP_BL2_TOTAL		MAP_REGION_FLAT(			\
-					bl2_tzram_layout.total_base,	\
-					bl2_tzram_layout.total_size,	\
-					MT_MEMORY | MT_RW | MT_SECURE)
-#endif /* ENABLE_RME */
+					MT_MEMORY | MT_RW | EL3_PAS)
 
 #pragma weak arm_bl2_plat_handle_post_image_load