poplar: Support Trusted OS extra image (OP-TEE header) parsing

Signed-off-by: Victor Chong <victor.chong@linaro.org>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/plat/hisilicon/poplar/aarch64/platform_common.c b/plat/hisilicon/poplar/aarch64/platform_common.c
index 762bd84..5498065 100644
--- a/plat/hisilicon/poplar/aarch64/platform_common.c
+++ b/plat/hisilicon/poplar/aarch64/platform_common.c
@@ -29,10 +29,24 @@
 					TSP_SEC_MEM_SIZE,		\
 					MT_MEMORY | MT_RW | MT_SECURE)
 
+#if LOAD_IMAGE_V2
+#ifdef SPD_opteed
+#define MAP_OPTEE_PAGEABLE	MAP_REGION_FLAT(		\
+				POPLAR_OPTEE_PAGEABLE_LOAD_BASE,	\
+				POPLAR_OPTEE_PAGEABLE_LOAD_SIZE,	\
+				MT_MEMORY | MT_RW | MT_SECURE)
+#endif
+#endif
+
 static const mmap_region_t poplar_mmap[] = {
 	MAP_DDR,
 	MAP_DEVICE,
 	MAP_TSP_MEM,
+#if LOAD_IMAGE_V2
+#ifdef SPD_opteed
+	MAP_OPTEE_PAGEABLE,
+#endif
+#endif
 	{0}
 };