ayufan: dts: rockpro64: fix fan configuration

Author: ayufan

arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts

@@ -278,11 +278,11 @@
 
 	fan0: pwm-fan {
 		compatible = "pwm-fan";
-		pwms = <&pwm1 0 20000000 0>;
+		pwms = <&pwm1 0 10000 0>;
 		cooling-min-state = <0>;
 		cooling-max-state = <3>;
 		#cooling-cells = <2>;
-		cooling-levels = <0 102 170 230>;
+		cooling-levels = <0 80 170 230>;
 	}; 
 
 	rk_key: rockchip-key {