rockchip: Only call binman when TPL available

Rockchip platform use TPL to do the DRAM initialize for all the SoCs,
if TPL is not available, means no available DRAM init program, and the
u-boot-rockchip.bin is not functionable.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Change-Id: I2299f1eddce5aa7d5fb1a3fb4d8aeaa995b397fa
diff --git a/arch/arm/dts/rockchip-u-boot.dtsi b/arch/arm/dts/rockchip-u-boot.dtsi
index 584f21e..fa094b0 100644
--- a/arch/arm/dts/rockchip-u-boot.dtsi
+++ b/arch/arm/dts/rockchip-u-boot.dtsi
@@ -11,7 +11,7 @@
 	};
 };
 
-#ifdef CONFIG_SPL
+#ifdef CONFIG_TPL
 &binman {
 	simple-bin {
 		filename = "u-boot-rockchip.bin";