ARM: dts: sd: 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/20220526203714.831177-1-krzysztof.kozlowski@linaro.org

arch/arm/boot/dts/sd5203.dts

@@ -15,7 +15,7 @@ / {
 	#size-cells = <1>;
 
 	chosen {
-		bootargs="console=ttyS0,9600 earlycon=uart8250,mmio32,0x1600d000";
+		bootargs = "console=ttyS0,9600 earlycon=uart8250,mmio32,0x1600d000";
 	};
 
 	aliases {