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-beagle.dts b/arch/arm/boot/dts/omap3-beagle.dts
index fcac96a..434288f 100644
--- a/arch/arm/boot/dts/omap3-beagle.dts
+++ b/arch/arm/boot/dts/omap3-beagle.dts
@@ -28,18 +28,18 @@
 		compatible = "gpio-leds";
 		pmu_stat {
 			label = "beagleboard::pmu_stat";
-			gpios = <&twl_gpio 19 0>; /* LEDB */
+			gpios = <&twl_gpio 19 GPIO_ACTIVE_HIGH>; /* LEDB */
 		};
 
 		heartbeat {
 			label = "beagleboard::usr0";
-			gpios = <&gpio5 22 0>; /* 150 -> D6 LED */
+			gpios = <&gpio5 22 GPIO_ACTIVE_HIGH>; /* 150 -> D6 LED */
 			linux,default-trigger = "heartbeat";
 		};
 
 		mmc {
 			label = "beagleboard::usr1";
-			gpios = <&gpio5 21 0>; /* 149 -> D7 LED */
+			gpios = <&gpio5 21 GPIO_ACTIVE_HIGH>; /* 149 -> D7 LED */
 			linux,default-trigger = "mmc0";
 		};
 	};