ARM: dts: OMAP2+: Use existing constants for GPIOs

Use standard GPIO constants to enhance the readability of DT GPIOs.

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>
diff --git a/arch/arm/boot/dts/omap3-devkit8000.dts b/arch/arm/boot/dts/omap3-devkit8000.dts
index 8d0f5e4..5be71b1 100644
--- a/arch/arm/boot/dts/omap3-devkit8000.dts
+++ b/arch/arm/boot/dts/omap3-devkit8000.dts
@@ -22,21 +22,21 @@
 
 		heartbeat {
 			label = "devkit8000::led1";
-			gpios = <&gpio6 26 0>;	/* 186 -> LED1 */
+			gpios = <&gpio6 26 GPIO_ACTIVE_HIGH>;	/* 186 -> LED1 */
 			default-state = "on";
 			linux,default-trigger = "heartbeat";
 		};
 
 		mmc {
 			label = "devkit8000::led2";
-			gpios = <&gpio6 3 0>;	/* 163 -> LED2 */
+			gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;	/* 163 -> LED2 */
 			default-state = "on";
 			linux,default-trigger = "none";
 		};
 
 		usr {
 			label = "devkit8000::led3";
-			gpios = <&gpio6 4 0>;	/* 164 -> LED3 */
+			gpios = <&gpio6 4 GPIO_ACTIVE_HIGH>;	/* 164 -> LED3 */
 			default-state = "on";
 			linux,default-trigger = "usr";
                 };