arm64: dts: allwinner: sort the nodes in sun50i-a64-pine64.dts

In this dts file, uart0 node is put before i2c1.

Move the uart0 node to the end to satisfy alphebetical order.
Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts

@@ -57,12 +57,6 @@ chosen {
 	};
 };
 
-&uart0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&uart0_pins_a>;
-	status = "okay";
-};
-
 &i2c1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c1_pins>;
@@ -72,3 +66,9 @@ &i2c1 {
 &i2c1_pins {
 	bias-pull-up;
 };
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};