ARM: dts: lpc: 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/20220526203732.831250-1-krzysztof.kozlowski@linaro.org

arch/arm/boot/dts/lpc18xx.dtsi

@@ -183,7 +183,7 @@ mac: ethernet@40010000 {
 			compatible = "nxp,lpc1850-dwmac", "snps,dwmac-3.611", "snps,dwmac";
 			reg = <0x40010000 0x2000>;
 			interrupts = <5>;
-			interrupt-names	= "macirq";
+			interrupt-names = "macirq";
 			clocks = <&ccu1 CLK_CPU_ETHERNET>;
 			clock-names = "stmmaceth";
 			resets = <&rgu 22>;