ARM: dts: imx28-evk: add flexan devices

Add flexan devices for imx28-evk board.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index ea7c51f..0d8739d 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts
@@ -72,6 +72,18 @@
 				panel-enable-gpios = <&gpio3 30 0>;
 				status = "okay";
 			};
+
+			can0: can@80032000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&can0_pins_a>;
+				status = "okay";
+			};
+
+			can1: can@80034000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&can1_pins_a>;
+				status = "okay";
+			};
 		};
 
 		apbx@80040000 {