ARM: dts: imx28-apf28dev: add support for auart0

Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Signed-off-by: Sebastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx28-apf28dev.dts

@@ -137,6 +137,13 @@ pwm: pwm@80064000 {
 				status = "okay";
 			};
 
+			auart0: serial@8006a000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&auart0_pins_a>;
+				fsl,uart-has-rtscts;
+				status = "okay";
+			};
+
 			usbphy0: usbphy@8007c000 {
 				status = "okay";
 			};