ARM: dts: Use GPIO constants for flags cells in exynos5420/5422/5800 boards

The board DTS are using numeric values instead of the defined GPIO
constanst to express polarity, use them to make the DTS more clear.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index ac02fb4..e722c22 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -94,7 +94,7 @@
 		regulator-name = "P5.0V_USB3CON0";
 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;
-		gpio = <&gph0 0 0>;
+		gpio = <&gph0 0 GPIO_ACTIVE_HIGH>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&usb300_vbus_en>;
 		enable-active-high;
@@ -105,7 +105,7 @@
 		regulator-name = "P5.0V_USB3CON1";
 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;
-		gpio = <&gph0 1 0>;
+		gpio = <&gph0 1 GPIO_ACTIVE_HIGH>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&usb301_vbus_en>;
 		enable-active-high;
@@ -153,7 +153,7 @@
 	samsung,color-depth = <1>;
 	samsung,link-rate = <0x06>;
 	samsung,lane-count = <2>;
-	samsung,hpd-gpio = <&gpx2 6 0>;
+	samsung,hpd-gpio = <&gpx2 6 GPIO_ACTIVE_HIGH>;
 
 	ports {
 		port@0 {
@@ -925,7 +925,7 @@
 	status = "okay";
 	num-cs = <1>;
 	samsung,spi-src-clk = <0>;
-	cs-gpios = <&gpb1 2 0>;
+	cs-gpios = <&gpb1 2 GPIO_ACTIVE_HIGH>;
 
 	cros_ec: cros-ec@0 {
 		compatible = "google,cros-ec-spi";