feat(imx8ulp): add OPTEE support

Add opteed support for imx8ulp.

Signed-off-by: Clement Faure <clement.faure@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Change-Id: Iddf6f164b7146332e99de42fcbbf9c892eb1d994
diff --git a/plat/imx/imx8ulp/include/platform_def.h b/plat/imx/imx8ulp/include/platform_def.h
index e8e72e5..fc646cb 100644
--- a/plat/imx/imx8ulp/include/platform_def.h
+++ b/plat/imx/imx8ulp/include/platform_def.h
@@ -97,6 +97,8 @@
 #define BL31_RWDATA_BASE    0x2006d000
 #define BL31_RWDATA_LIMIT   0x20070000
 
+#define BL32_FDT_OVERLAY_ADDR		0x9d000000
+
 /* system memory map define */
 #define DEVICE0_MAP	MAP_REGION_FLAT(DEVICE0_BASE, DEVICE0_SIZE, MT_DEVICE | MT_RW)
 #define DEVICE1_MAP	MAP_REGION_FLAT(DEVICE1_BASE, DEVICE1_SIZE, MT_DEVICE | MT_RW)