ramips: reference node by label

Reference the HC5661A sdhci node by label instead of by the full path.

Signed-off-by: Mathias Kresin <dev@kresin.me>

target/linux/ramips/dts/HC5661A.dts

@@ -22,10 +22,6 @@
 		reg = <0x0 0x8000000>;
 	};
 
-	sdhci@10130000 {
-		status = "okay";
-	};
-
 	gpio-leds {
 		compatible = "gpio-leds";
 
@@ -64,6 +60,10 @@
 	};
 };
 
+&sdhci {
+	status = "okay";
+};
+
 &spi0 {
 	status = "okay";