arm64: dts: exynos: Use human-friendly symbols for interrupt properties in exynos7

Replace hard-coded values of type of GIC interrupt and its flags with
respective macros from header to increase code readability
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm64/boot/dts/exynos/exynos7-pinctrl.dtsi

@@ -20,14 +20,14 @@ gpa0: gpa0 {
 		interrupt-controller;
 		interrupt-parent = <&gic>;
 		#interrupt-cells = <2>;
-		interrupts = <0 0 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 1 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 2 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 3 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 4 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 5 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 6 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 7 IRQ_TYPE_LEVEL_HIGH>;
+		interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
 	gpa1: gpa1 {
@@ -37,14 +37,14 @@ gpa1: gpa1 {
 		interrupt-controller;
 		interrupt-parent = <&gic>;
 		#interrupt-cells = <2>;
-		interrupts = <0 8 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 9 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 10 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 11 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 12 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 13 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 14 IRQ_TYPE_LEVEL_HIGH>,
-			     <0 15 IRQ_TYPE_LEVEL_HIGH>;
+		interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
 	gpa2: gpa2 {