Index: imx6dl-riotboard.dts
===================================================================
--- imx6dl-riotboard.dts	(revision 290726)
+++ imx6dl-riotboard.dts	(working copy)
@@ -15,6 +15,10 @@
 	model = "RIoTboard i.MX6S";
 	compatible = "riot,imx6s-riotboard", "fsl,imx6dl";
 
+	chosen {
+		stdout-path = &uart2;
+	};
+
 	memory {
 		reg = <0x10000000 0x40000000>;
 	};