ARM: dts: imx27-3ds.dts: Fix serial console node

Fix serial console node and allow the board to boot again.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/boot/dts/imx27-3ds.dts b/arch/arm/boot/dts/imx27-3ds.dts
index d3f8296..0a8978a 100644
--- a/arch/arm/boot/dts/imx27-3ds.dts
+++ b/arch/arm/boot/dts/imx27-3ds.dts
@@ -27,7 +27,7 @@
 				status = "okay";
 			};
 
-			uart@1000a000 {
+			uart1: serial@1000a000 {
 				fsl,uart-has-rtscts;
 				status = "okay";
 			};