ARM: zynq: DT: Add CAN node

Add node describing Zynq's CAN controller.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
diff --git a/arch/arm/boot/dts/zynq-zc702.dts b/arch/arm/boot/dts/zynq-zc702.dts
index 5e09cee..835c308 100644
--- a/arch/arm/boot/dts/zynq-zc702.dts
+++ b/arch/arm/boot/dts/zynq-zc702.dts
@@ -29,6 +29,10 @@
 
 };
 
+&can0 {
+	status = "okay";
+};
+
 &gem0 {
 	status = "okay";
 	phy-mode = "rgmii";