refactor(plat/arm): modify memory region attributes to account for FEAT_RME

If FEAT_RME is enabled, EL3 runs in the Root world as opposed to
Secure world. This patch changes EL3 memory region attributes for
Arm platforms accordingly.

Signed-off-by: Zelalem Aweke <zelalem.aweke@arm.com>
Change-Id: Ie176f8b440ff34330e4e44bd3bf8d9703b3892ff
diff --git a/plat/arm/common/arm_bl1_setup.c b/plat/arm/common/arm_bl1_setup.c
index 872de3e..320bb82 100644
--- a/plat/arm/common/arm_bl1_setup.c
+++ b/plat/arm/common/arm_bl1_setup.c
@@ -32,7 +32,7 @@
 #define MAP_BL1_TOTAL		MAP_REGION_FLAT(			\
 					bl1_tzram_layout.total_base,	\
 					bl1_tzram_layout.total_size,	\
-					MT_MEMORY | MT_RW | MT_SECURE)
+					MT_MEMORY | MT_RW | EL3_PAS)
 /*
  * If SEPARATE_CODE_AND_RODATA=1 we define a region for each section
  * otherwise one region is defined containing both
@@ -41,17 +41,17 @@
 #define MAP_BL1_RO		MAP_REGION_FLAT(			\
 					BL_CODE_BASE,			\
 					BL1_CODE_END - BL_CODE_BASE,	\
-					MT_CODE | MT_SECURE),		\
+					MT_CODE | EL3_PAS),		\
 				MAP_REGION_FLAT(			\
 					BL1_RO_DATA_BASE,		\
 					BL1_RO_DATA_END			\
 						- BL_RO_DATA_BASE,	\
-					MT_RO_DATA | MT_SECURE)
+					MT_RO_DATA | EL3_PAS)
 #else
 #define MAP_BL1_RO		MAP_REGION_FLAT(			\
 					BL_CODE_BASE,			\
 					BL1_CODE_END - BL_CODE_BASE,	\
-					MT_CODE | MT_SECURE)
+					MT_CODE | EL3_PAS)
 #endif
 
 /* Data structure which holds the extents of the trusted SRAM for BL1*/