ARM: dts: Prepare node labels for exynos5250

Allows them to be extended by reference.
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Andreas Faerber <afaerber@suse.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5250.dtsi

@@ -218,7 +218,7 @@ g2d@10850000 {
 		clock-names = "fimg2d";
 	};
 
-	codec@11000000 {
+	mfc: codec@11000000 {
 		compatible = "samsung,mfc-v6";
 		reg = <0x11000000 0x10000>;
 		interrupts = <0 96 0>;
@@ -227,7 +227,7 @@ codec@11000000 {
 		clock-names = "mfc";
 	};
 
-	rtc@101E0000 {
+	rtc: rtc@101E0000 {
 		clocks = <&clock CLK_RTC>;
 		clock-names = "rtc";
 		status = "disabled";
@@ -261,7 +261,7 @@ serial@12C30000 {
 		clock-names = "uart", "clk_uart_baud0";
 	};
 
-	sata@122F0000 {
+	sata: sata@122F0000 {
 		compatible = "snps,dwc-ahci";
 		samsung,sata-freq = <66>;
 		reg = <0x122F0000 0x1ff>;
@@ -573,7 +573,7 @@ usbdrd_phy: phy@12100000 {
 		#phy-cells = <1>;
 	};
 
-	usb@12110000 {
+	ehci: usb@12110000 {
 		compatible = "samsung,exynos4210-ehci";
 		reg = <0x12110000 0x100>;
 		interrupts = <0 71 0>;
@@ -588,7 +588,7 @@ port@0 {
 		};
 	};
 
-	usb@12120000 {
+	ohci: usb@12120000 {
 		compatible = "samsung,exynos4210-ohci";
 		reg = <0x12120000 0x100>;
 		interrupts = <0 71 0>;
@@ -710,7 +710,7 @@ gsc_3:  gsc@13e30000 {
 		clock-names = "gscl";
 	};
 
-	hdmi {
+	hdmi: hdmi {
 		compatible = "samsung,exynos4212-hdmi";
 		reg = <0x14530000 0x70000>;
 		interrupts = <0 95 0>;
@@ -736,14 +736,14 @@ dp_phy: video-phy@10040720 {
 		#phy-cells = <0>;
 	};
 
-	dp-controller@145B0000 {
+	dp: dp-controller@145B0000 {
 		clocks = <&clock CLK_DP>;
 		clock-names = "dp";
 		phys = <&dp_phy>;
 		phy-names = "dp";
 	};
 
-	fimd@14400000 {
+	fimd: fimd@14400000 {
 		clocks = <&clock CLK_SCLK_FIMD1>, <&clock CLK_FIMD1>;
 		clock-names = "sclk_fimd", "fimd";
 	};