ARM: dts: uniphier: add SD/MMC host controller nodes

This host controller is available for all UniPhier SoCs.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/dts/uniphier-ph1-sld3-ref.dts b/arch/arm/dts/uniphier-ph1-sld3-ref.dts
index ff17945..c7213c9 100644
--- a/arch/arm/dts/uniphier-ph1-sld3-ref.dts
+++ b/arch/arm/dts/uniphier-ph1-sld3-ref.dts
@@ -52,6 +52,10 @@
 	status = "okay";
 };
 
+&sd {
+	status = "okay";
+};
+
 &usb0 {
 	status = "okay";
 };