Arm platforms: Fix max size of BL33 image

The BL33 image must not go past the end of DRAM.

Change-Id: I56668ab760d82332d69a8904d125d9a055aa91d5
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>

plat/arm/common/aarch32/arm_bl2_mem_params_desc.c

@@ -80,7 +80,8 @@ static bl_mem_params_node_t bl2_mem_params_descs[] = {
 	    SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
 		    VERSION_2, image_info_t, 0),
 	    .image_info.image_base = PLAT_ARM_NS_IMAGE_BASE,
-	    .image_info.image_max_size = ARM_DRAM1_SIZE,
+	    .image_info.image_max_size = ARM_DRAM1_BASE + ARM_DRAM1_SIZE
+		    - PLAT_ARM_NS_IMAGE_BASE,
 #endif /* PRELOADED_BL33_BASE */
 
 	    .next_handoff_image_id = INVALID_IMAGE_ID,

plat/arm/common/aarch64/arm_bl2_mem_params_desc.c

@@ -181,7 +181,8 @@ static bl_mem_params_node_t bl2_mem_params_descs[] = {
 	    SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
 		    VERSION_2, image_info_t, 0),
 	    .image_info.image_base = PLAT_ARM_NS_IMAGE_BASE,
-	    .image_info.image_max_size = ARM_DRAM1_SIZE,
+	    .image_info.image_max_size = ARM_DRAM1_BASE + ARM_DRAM1_SIZE
+		    - PLAT_ARM_NS_IMAGE_BASE,
 # endif /* PRELOADED_BL33_BASE */
 
 	    .next_handoff_image_id = INVALID_IMAGE_ID,