ARM: dts: i.MX27 boards: Switch to use standard GPIO and IRQ flags definitions

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index 672bb8e..1af8fcf 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -11,6 +11,8 @@
 
 #include "skeleton.dtsi"
 #include "imx27-pinfunc.h"
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	aliases {