ARM: dts: nuvoton: adjust whitespace around '='

Fix whitespace coding style: use single space instead of tabs or
multiple spaces around '=' sign in property assignment.  No functional
changes (same DTB).
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220526203724.831215-1-krzysztof.kozlowski@linaro.org

arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi

@@ -128,7 +128,7 @@ gmac0: eth@f0802000 {
 			interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
 			interrupt-names = "macirq";
 			ethernet = <0>;
-			clocks	= <&clk_rg1refck>, <&clk NPCM7XX_CLK_AHB>;
+			clocks = <&clk_rg1refck>, <&clk NPCM7XX_CLK_AHB>;
 			clock-names = "stmmaceth", "clk_gmac";
 			pinctrl-names = "default";
 			pinctrl-0 = <&rg1_pins

arch/arm/boot/dts/nuvoton-npcm750.dtsi

@@ -51,7 +51,7 @@ gmac1: eth@f0804000 {
 			interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
 			interrupt-names = "macirq";
 			ethernet = <1>;
-			clocks	= <&clk_rg2refck>, <&clk NPCM7XX_CLK_AHB>;
+			clocks = <&clk_rg2refck>, <&clk NPCM7XX_CLK_AHB>;
 			clock-names = "stmmaceth", "clk_gmac";
 			pinctrl-names = "default";
 			pinctrl-0 = <&rg2_pins