arm64: dts: nuvoton: npcm845: Minor whitespace cleanup

The DTS code coding style expects exactly one space around '='
character.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250819131725.86770-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Author: krzk

arch/arm64/boot/dts/nuvoton/nuvoton-npcm845.dtsi

@@ -64,8 +64,8 @@
 	};
 
 	psci {
-		compatible      = "arm,psci-1.0";
-		method          = "smc";
+		compatible = "arm,psci-1.0";
+		method = "smc";
 	};
 
 	timer {