ARM: dts: sun4i: Remove skeleton and memory to avoid warnings

Using skeleton.dtsi will create a memory node that will generate a warning
in DTC. However, that node will be created by the bootloader, so we can
just remove it entirely in order to remove that warning.
Acked-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun4i-a10.dtsi

@@ -41,14 +41,14 @@
  *     OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include "skeleton.dtsi"
-
 #include <dt-bindings/thermal/thermal.h>
 #include <dt-bindings/dma/sun4i-a10.h>
 #include <dt-bindings/clock/sun4i-a10-ccu.h>
 #include <dt-bindings/reset/sun4i-a10-ccu.h>
 
 / {
+	#address-cells = <1>;
+	#size-cells = <1>;
 	interrupt-parent = <&intc>;
 
 	aliases {
@@ -160,10 +160,6 @@
 		};
 	};
 
-	memory {
-		reg = <0x40000000 0x80000000>;
-	};
-
 	clocks {
 		#address-cells = <1>;
 		#size-cells = <1>;