hikey: Add BL32 (OP-TEE) support

Signed-off-by: Victor Chong <victor.chong@linaro.org>
diff --git a/plat/hisilicon/hikey/hikey_io_storage.c b/plat/hisilicon/hikey/hikey_io_storage.c
index 4ca1846..c61ec2c 100644
--- a/plat/hisilicon/hikey/hikey_io_storage.c
+++ b/plat/hisilicon/hikey/hikey_io_storage.c
@@ -73,6 +73,10 @@
 	.uuid = UUID_EL3_RUNTIME_FIRMWARE_BL31,
 };
 
+static const io_uuid_spec_t bl32_uuid_spec = {
+	.uuid = UUID_SECURE_PAYLOAD_BL32,
+};
+
 static const io_uuid_spec_t bl33_uuid_spec = {
 	.uuid = UUID_NON_TRUSTED_FIRMWARE_BL33,
 };
@@ -102,6 +106,11 @@
 		(uintptr_t)&bl31_uuid_spec,
 		check_fip
 	},
+	[BL32_IMAGE_ID] = {
+		&fip_dev_handle,
+		(uintptr_t)&bl32_uuid_spec,
+		check_fip
+	},
 	[BL33_IMAGE_ID] = {
 		&fip_dev_handle,
 		(uintptr_t)&bl33_uuid_spec,