ARM: sun4i: dt: Move the aliases to the DTSI

The aliases are shared across boards are really belong to the DTSI.
Move them there.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun4i-a10-a1000.dts

@@ -18,10 +18,6 @@
 	model = "Mele A1000";
 	compatible = "mele,a1000", "allwinner,sun4i-a10";
 
-	aliases {
-		serial0 = &uart0;
-	};
-
 	soc@01c00000 {
 		emac: ethernet@01c0b000 {
 			pinctrl-names = "default";

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

@@ -17,11 +17,6 @@
 	model = "Cubietech Cubieboard";
 	compatible = "cubietech,a10-cubieboard", "allwinner,sun4i-a10";
 
-	aliases {
-		serial0 = &uart0;
-		serial1 = &uart1;
-	};
-
 	chosen {
 		bootargs = "earlyprintk console=ttyS0,115200";
 	};

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

@@ -17,6 +17,8 @@
 
 	aliases {
 		ethernet0 = &emac;
+		serial0 = &uart0;
+		serial1 = &uart1;
 	};
 
 	cpus {