arm64: dts: hisilicon: minor whitespace cleanup around '='

The DTS code coding style expects exactly one space before and after '='
sign.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arch/arm64/boot/dts/hisilicon/hi6220.dtsi

@@ -1032,17 +1032,17 @@ mali: gpu@f4080000 {
 			compatible = "hisilicon,hi6220-mali", "arm,mali-450";
 			reg = <0x0 0xf4080000 0x0 0x00040000>;
 			interrupt-parent = <&gic>;
-			interrupts =	<GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
-					<GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
-					<GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
-					<GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
-					<GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
-					<GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
-					<GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
-					<GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
-					<GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
-					<GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
-					<GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_PPI 126 IRQ_TYPE_LEVEL_HIGH>;
 
 			interrupt-names = "gp",
 					  "gpmmu",