ARM: dts: uniphier: enable SD card for PXs3 reference board

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/dts/uniphier-pxs3-ref.dts b/arch/arm/dts/uniphier-pxs3-ref.dts
index 3b9931a..4fb12b8 100644
--- a/arch/arm/dts/uniphier-pxs3-ref.dts
+++ b/arch/arm/dts/uniphier-pxs3-ref.dts
@@ -75,6 +75,10 @@
 	status = "okay";
 };
 
+&sd {
+	status = "okay";
+};
+
 &eth0 {
 	status = "okay";
 	phy-handle = <&ethphy0>;