arm64: dts: rockchip: minor rk3588 whitespace cleanup

The DTS code coding style expects exactly one space before '{'
character.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240208105129.128561-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts

@@ -189,19 +189,19 @@ &cpu_l3 {
 	cpu-supply = <&vdd_cpu_lit_s0>;
 };
 
-&cpu_b0{
+&cpu_b0 {
 	cpu-supply = <&vdd_cpu_big0_s0>;
 };
 
-&cpu_b1{
+&cpu_b1 {
 	cpu-supply = <&vdd_cpu_big0_s0>;
 };
 
-&cpu_b2{
+&cpu_b2 {
 	cpu-supply = <&vdd_cpu_big1_s0>;
 };
 
-&cpu_b3{
+&cpu_b3 {
 	cpu-supply = <&vdd_cpu_big1_s0>;
 };