ARM: zynq: DT: Add aliases node

Add aliases node to DTs.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/boot/dts/zynq-zc702.dts

@@ -18,6 +18,12 @@ / {
 	model = "Zynq ZC702 Development Board";
 	compatible = "xlnx,zynq-zc702", "xlnx,zynq-7000";
 
+	aliases {
+		ethernet0 = &gem0;
+		i2c0 = &i2c0;
+		serial0 = &uart1;
+	};
+
 	memory {
 		device_type = "memory";
 		reg = <0x0 0x40000000>;

arch/arm/boot/dts/zynq-zc706.dts

@@ -18,6 +18,12 @@ / {
 	model = "Zynq ZC706 Development Board";
 	compatible = "xlnx,zynq-zc706", "xlnx,zynq-7000";
 
+	aliases {
+		ethernet0 = &gem0;
+		i2c0 = &i2c0;
+		serial0 = &uart1;
+	};
+
 	memory {
 		device_type = "memory";
 		reg = <0x0 0x40000000>;

arch/arm/boot/dts/zynq-zed.dts

@@ -18,6 +18,11 @@ / {
 	model = "Zynq Zed Development Board";
 	compatible = "xlnx,zynq-zed", "xlnx,zynq-7000";
 
+	aliases {
+		ethernet0 = &gem0;
+		serial0 = &uart1;
+	};
+
 	memory {
 		device_type = "memory";
 		reg = <0x0 0x20000000>;