ARM: dts: ecx: 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 <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

arch/arm/boot/dts/ecx-common.dtsi

···
 	};
 
 	psci {
-		compatible	= "arm,psci";
-		method		= "smc";
-		cpu_suspend	= <0x84000002>;
-		cpu_off		= <0x84000004>;
-		cpu_on		= <0x84000006>;
+		compatible = "arm,psci";
+		method = "smc";
+		cpu_suspend = <0x84000002>;
+		cpu_off = <0x84000004>;
+		cpu_on = <0x84000006>;
 	};
 
 	soc {