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>

arch/arm/boot/dts/omap4-panda-common.dtsi

@@ -20,13 +20,13 @@
 		compatible = "gpio-leds";
 		heartbeat {
 			label = "pandaboard::status1";
-			gpios = <&gpio1 7 0>;
+			gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "heartbeat";
 		};
 
 		mmc {
 			label = "pandaboard::status2";
-			gpios = <&gpio1 8 0>;
+			gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "mmc0";
 		};
 	};