ARM: dts: exynos: Add missing unit name to memory nodes in Exynos4 DTS

This patch fixes the following DTC warnings:

"Node /memory has a reg or ranges property, but no unit name"
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/exynos4210-origen.dts

@@ -24,7 +24,7 @@ / {
 	model = "Insignal Origen evaluation board based on Exynos4210";
 	compatible = "insignal,origen", "samsung,exynos4210", "samsung,exynos4";
 
-	memory {
+	memory@40000000 {
 		device_type = "memory";
 		reg = <0x40000000 0x10000000
 		       0x50000000 0x10000000

arch/arm/boot/dts/exynos4210-smdkv310.dts

@@ -23,7 +23,7 @@ / {
 	model = "Samsung smdkv310 evaluation board based on Exynos4210";
 	compatible = "samsung,smdkv310", "samsung,exynos4210", "samsung,exynos4";
 
-	memory {
+	memory@40000000 {
 		device_type = "memory";
 		reg = <0x40000000 0x80000000>;
 	};

arch/arm/boot/dts/exynos4210-trats.dts

@@ -20,7 +20,7 @@ / {
 	model = "Samsung Trats based on Exynos4210";
 	compatible = "samsung,trats", "samsung,exynos4210", "samsung,exynos4";
 
-	memory {
+	memory@40000000 {
 		device_type = "memory";
 		reg =  <0x40000000 0x10000000
 			0x50000000 0x10000000

arch/arm/boot/dts/exynos4210-universal_c210.dts

@@ -20,7 +20,7 @@ / {
 	model = "Samsung Universal C210 based on Exynos4210 rev0";
 	compatible = "samsung,universal_c210", "samsung,exynos4210", "samsung,exynos4";
 
-	memory {
+	memory@40000000 {
 		device_type = "memory";
 		reg =  <0x40000000 0x10000000
 			0x50000000 0x10000000>;

arch/arm/boot/dts/exynos4412-odroidu3.dts

@@ -18,7 +18,7 @@ / {
 	model = "Hardkernel ODROID-U3 board based on Exynos4412";
 	compatible = "hardkernel,odroid-u3", "samsung,exynos4412", "samsung,exynos4";
 
-	memory {
+	memory@40000000 {
 		device_type = "memory";
 		reg = <0x40000000 0x7FF00000>;
 	};

arch/arm/boot/dts/exynos4412-odroidx.dts

@@ -18,7 +18,7 @@ / {
 	model = "Hardkernel ODROID-X board based on Exynos4412";
 	compatible = "hardkernel,odroid-x", "samsung,exynos4412", "samsung,exynos4";
 
-	memory {
+	memory@40000000 {
 		device_type = "memory";
 		reg = <0x40000000 0x3FF00000>;
 	};

arch/arm/boot/dts/exynos4412-odroidx2.dts

@@ -17,7 +17,7 @@ / {
 	model = "Hardkernel ODROID-X2 board based on Exynos4412";
 	compatible = "hardkernel,odroid-x2", "samsung,exynos4412", "samsung,exynos4";
 
-	memory {
+	memory@40000000 {
 		device_type = "memory";
 		reg = <0x40000000 0x7FF00000>;
 	};

arch/arm/boot/dts/exynos4412-origen.dts

@@ -22,7 +22,7 @@ / {
 	model = "Insignal Origen evaluation board based on Exynos4412";
 	compatible = "insignal,origen4412", "samsung,exynos4412", "samsung,exynos4";
 
-	memory {
+	memory@40000000 {
 		device_type = "memory";
 		reg = <0x40000000 0x40000000>;
 	};

arch/arm/boot/dts/exynos4412-smdk4412.dts

@@ -20,7 +20,7 @@ / {
 	model = "Samsung SMDK evaluation board based on Exynos4412";
 	compatible = "samsung,smdk4412", "samsung,exynos4412", "samsung,exynos4";
 
-	memory {
+	memory@40000000 {
 		device_type = "memory";
 		reg = <0x40000000 0x40000000>;
 	};

arch/arm/boot/dts/exynos4412-tiny4412.dts

@@ -23,7 +23,7 @@ chosen {
 		stdout-path = &serial_0;
 	};
 
-	memory {
+	memory@40000000 {
 		device_type = "memory";
 		reg = <0x40000000 0x40000000>;
 	};

arch/arm/boot/dts/exynos4412-trats2.dts

@@ -30,7 +30,7 @@ aliases {
 		i2c12 = &i2c_max77693_fuel;
 	};
 
-	memory {
+	memory@40000000 {
 		device_type = "memory";
 		reg =  <0x40000000 0x40000000>;
 	};