[POWERPC] 4xx: Add aliases node to 4xx dts files

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

arch/powerpc/boot/dts/taishan.dts

@@ -17,6 +17,13 @@
 	compatible = "amcc,taishan";
 	dcr-parent = <&/cpus/cpu@0>;
 
+	aliases {
+		ethernet0 = &EMAC2;
+		ethernet1 = &EMAC3;
+		serial0 = &UART0;
+		serial1 = &UART1;
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;