arm64: dts: renesas: Minor whitespace cleanup around '='

The DTS code coding style expects exactly one space before and after '='
sign.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230702185252.44462-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/r8a77990.dtsi

@@ -76,7 +76,7 @@ a53_0: cpu@0 {
 			enable-method = "psci";
 			cpu-idle-states = <&CPU_SLEEP_0>;
 			dynamic-power-coefficient = <277>;
-			clocks =<&cpg CPG_CORE R8A77990_CLK_Z2>;
+			clocks = <&cpg CPG_CORE R8A77990_CLK_Z2>;
 			operating-points-v2 = <&cluster1_opp>;
 		};
 
@@ -88,7 +88,7 @@ a53_1: cpu@1 {
 			next-level-cache = <&L2_CA53>;
 			enable-method = "psci";
 			cpu-idle-states = <&CPU_SLEEP_0>;
-			clocks =<&cpg CPG_CORE R8A77990_CLK_Z2>;
+			clocks = <&cpg CPG_CORE R8A77990_CLK_Z2>;
 			operating-points-v2 = <&cluster1_opp>;
 		};