ARM: sunxi: dt: Move uart0 to sun4i-a10.dtsi

The UART0 is only available on the Allwinner A10 SoCs, and not on the
A13, so move the uart0 node to sun4i-a10.dtsi.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Emilio López <emilio@elopez.com.ar>
Tested-by: Emilio López <emilio@elopez.com.ar>

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

@@ -47,5 +47,15 @@ uart1_pins_a: uart1@0 {
 				allwinner,pull = <0>;
 			};
 		};
+
+		uart0: serial@01c28000 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x01c28000 0x400>;
+			interrupts = <1>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			clocks = <&osc>;
+			status = "disabled";
+		};
 	};
 };

arch/arm/boot/dts/sunxi.dtsi

@@ -136,16 +136,6 @@ intc: interrupt-controller@01c20400 {
 			#interrupt-cells = <1>;
 		};
 
-		uart0: serial@01c28000 {
-			compatible = "snps,dw-apb-uart";
-			reg = <0x01c28000 0x400>;
-			interrupts = <1>;
-			reg-shift = <2>;
-			reg-io-width = <4>;
-			clocks = <&osc>;
-			status = "disabled";
-		};
-
 		uart1: serial@01c28400 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x01c28400 0x400>;