ARM: dts: s5pv210: use defines for GPIO flags in Aquila

Replace hard-coded flags with defines for readability.  No functional
change.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200907161141.31034-17-krzk@kernel.org

arch/arm/boot/dts/s5pv210-aquila.dts

@@ -11,6 +11,7 @@
  */
 
 /dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include "s5pv210.dtsi"
 
@@ -50,7 +51,7 @@ vtf_reg: fixed-regulator@0 {
 			regulator-name = "V_TF_2.8V";
 			regulator-min-microvolt = <2800000>;
 			regulator-max-microvolt = <2800000>;
-			gpio = <&mp05 4 0>;
+			gpio = <&mp05 4 GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};
 
@@ -73,8 +74,8 @@ bat_reg: fixed-regulator@2 {
 
 	i2c_pmic: i2c-pmic {
 		compatible = "i2c-gpio";
-		gpios = <&gpj4 0 0>, /* sda */
-			<&gpj4 3 0>; /* scl */
+		gpios = <&gpj4 0 GPIO_ACTIVE_HIGH>, /* sda */
+			<&gpj4 3 GPIO_ACTIVE_HIGH>; /* scl */
 		i2c-gpio,delay-us = <2>;        /* ~100 kHz */
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -84,13 +85,13 @@ pmic@66 {
 			reg = <0x66>;
 
 			max8998,pmic-buck1-default-dvs-idx = <0>;
-			max8998,pmic-buck1-dvs-gpios = <&gph0 3 0>,
-							<&gph0 4 0>;
+			max8998,pmic-buck1-dvs-gpios = <&gph0 3 GPIO_ACTIVE_HIGH>,
+							<&gph0 4 GPIO_ACTIVE_HIGH>;
 			max8998,pmic-buck1-dvs-voltage = <1200000>, <1200000>,
 							<1200000>, <1200000>;
 
 			max8998,pmic-buck2-default-dvs-idx = <0>;
-			max8998,pmic-buck2-dvs-gpio = <&gph0 5 0>;
+			max8998,pmic-buck2-dvs-gpio = <&gph0 5 GPIO_ACTIVE_HIGH>;
 			max8998,pmic-buck2-dvs-voltage = <1200000>, <1200000>;
 
 			regulators {