ARM: dts: s3c24xx: Remove skeleton.dtsi and fix DTC warning for /memory

Remove the usage of skeleton.dtsi to fix the DTC warning:

    arch/arm/boot/dts/s3c2416-smdk2416.dtb: Warning (unit_address_vs_reg):
        /memory: node has a reg or ranges property, but no unit name
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/s3c2416-smdk2416.dts

@@ -12,7 +12,8 @@ / {
 	model = "SMDK2416";
 	compatible = "samsung,s3c2416";
 
-	memory {
+	memory@30000000 {
+		device_type = "memory";
 		reg =  <0x30000000 0x4000000>;
 	};
 

arch/arm/boot/dts/s3c24xx.dtsi

@@ -5,11 +5,11 @@
  * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de>
  */
 
-#include "skeleton.dtsi"
-
 / {
 	compatible = "samsung,s3c24xx";
 	interrupt-parent = <&intc>;
+	#address-cells = <1>;
+	#size-cells = <1>;
 
 	aliases {
 		pinctrl0 = &pinctrl_0;