dm: exynos: Mark exynos5 console as pre-reloc

We will need the console before relocation, so mark it that way.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/exynos5.dtsi b/arch/arm/dts/exynos5.dtsi
index dc5405b..e539068 100644
--- a/arch/arm/dts/exynos5.dtsi
+++ b/arch/arm/dts/exynos5.dtsi
@@ -244,6 +244,7 @@
 		compatible = "samsung,exynos4210-uart";
 		reg = <0x12C30000 0x100>;
 		interrupts = <0 54 0>;
+		u-boot,dm-pre-reloc;
 		id = <3>;
 	};