arm64: dts: sun50i: h5: orangepi-pc2: Use GPIO flag binding macro

Instead of defining numerical value on GPIO flag
better to use existing binding macro.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

arch/arm/dts/sun50i-h5-orangepi-pc2.dts

@@ -44,6 +44,8 @@
 
 #include "sun50i-h5.dtsi"
 
+#include <dt-bindings/gpio/gpio.h>
+
 / {
 	model = "OrangePi PC 2";
 	compatible = "xunlong,orangepi-pc-2", "allwinner,sun50i-h5";
@@ -79,7 +81,7 @@
 	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
 	vmmc-supply = <&reg_vcc3v3>;
 	bus-width = <4>;
-	cd-gpios = <&pio 5 6 0>;
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
 	cd-inverted;
 	status = "okay";
 };