plat/rockchip: Use new bl31_params_parse_helper()

The Rockchip platform is a prime candidate for switching to the new
bl31_params_parse_helper(), so switch it over. This will allow BL2
implementations on this platform to transparently switch over to the
version 2 parameter structure.

Change-Id: I540741d2425c93f66c8697ce749a351eb2b3a7e8
Signed-off-by: Julius Werner <jwerner@chromium.org>
diff --git a/plat/rockchip/rk3399/platform.mk b/plat/rockchip/rk3399/platform.mk
index 88fa8e9..cfc48e8 100644
--- a/plat/rockchip/rk3399/platform.mk
+++ b/plat/rockchip/rk3399/platform.mk
@@ -32,7 +32,8 @@
 				plat/common/plat_gicv3.c		\
 				${RK_PLAT}/common/rockchip_gicv3.c
 
-PLAT_BL_COMMON_SOURCES	:=	lib/bl_aux_params/bl_aux_params.c	\
+PLAT_BL_COMMON_SOURCES	:=	common/desc_image_load.c			\
+				lib/bl_aux_params/bl_aux_params.c		\
 				lib/xlat_tables/xlat_tables_common.c	\
 				lib/xlat_tables/aarch64/xlat_tables.c	\
 				plat/common/aarch64/crash_console_helpers.S \