ARM: dts: Use labels for overriding nodes in exynos5420-arndale-octa

Usage of labels instead of full paths reduces possible mistakes when
overriding nodes.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

arch/arm/boot/dts/exynos5420-arndale-octa.dts

@@ -39,40 +39,27 @@ oscclk {
 		};
 	};
 
-	codec@11000000 {
-		samsung,mfc-r = <0x43000000 0x800000>;
-		samsung,mfc-l = <0x51000000 0x800000>;
-	};
+	gpio_keys {
+		compatible = "gpio-keys";
 
-	mmc@12200000 {
-		status = "okay";
-		broken-cd;
-		card-detect-delay = <200>;
-		samsung,dw-mshc-ciu-div = <3>;
-		samsung,dw-mshc-sdr-timing = <0 4>;
-		samsung,dw-mshc-ddr-timing = <0 2>;
-		pinctrl-names = "default";
-		pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8>;
-		vmmc-supply = <&ldo10_reg>;
-		bus-width = <8>;
-		cap-mmc-highspeed;
+		wakeup {
+			label = "SW-TACT1";
+			gpios = <&gpx2 7 1>;
+			linux,code = <KEY_WAKEUP>;
+			gpio-key,wakeup;
 		};
-
-	mmc@12220000 {
-		status = "okay";
-		card-detect-delay = <200>;
-		samsung,dw-mshc-ciu-div = <3>;
-		samsung,dw-mshc-sdr-timing = <2 3>;
-		samsung,dw-mshc-ddr-timing = <1 2>;
-		pinctrl-names = "default";
-		pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4>;
-		vmmc-supply = <&ldo19_reg>;
-		vqmmc-supply = <&ldo13_reg>;
-		bus-width = <4>;
-		cap-sd-highspeed;
 	};
+};
+
+&usbdrd_dwc3_1 {
+	dr_mode = "host";
+};
+
+&cci {
+	status = "disabled";
+};
 
-	hsi2c_4: i2c@12CA0000 {
+&hsi2c_4 {
 	status = "okay";
 
 	s2mps11_pmic@66 {
@@ -354,26 +341,39 @@ buck10_reg: BUCK10 {
 			};
 		};
 	};
-	};
-
-	gpio_keys {
-		compatible = "gpio-keys";
+};
 
-		wakeup {
-			label = "SW-TACT1";
-			gpios = <&gpx2 7 1>;
-			linux,code = <KEY_WAKEUP>;
-			gpio-key,wakeup;
-		};
-	};
+&mfc {
+	samsung,mfc-r = <0x43000000 0x800000>;
+	samsung,mfc-l = <0x51000000 0x800000>;
 };
 
-&usbdrd_dwc3_1 {
-	dr_mode = "host";
+&mmc_0 {
+	status = "okay";
+	broken-cd;
+	card-detect-delay = <200>;
+	samsung,dw-mshc-ciu-div = <3>;
+	samsung,dw-mshc-sdr-timing = <0 4>;
+	samsung,dw-mshc-ddr-timing = <0 2>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8>;
+	vmmc-supply = <&ldo10_reg>;
+	bus-width = <8>;
+	cap-mmc-highspeed;
 };
 
-&cci {
-	status = "disabled";
+&mmc_2 {
+	status = "okay";
+	card-detect-delay = <200>;
+	samsung,dw-mshc-ciu-div = <3>;
+	samsung,dw-mshc-sdr-timing = <2 3>;
+	samsung,dw-mshc-ddr-timing = <1 2>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4>;
+	vmmc-supply = <&ldo19_reg>;
+	vqmmc-supply = <&ldo13_reg>;
+	bus-width = <4>;
+	cap-sd-highspeed;
 };
 
 &pinctrl_0 {