ARM: dts: imx7d: add clock-frequency to CPU nodes

Add clock-frequency property to CPU nodes. Avoids warnings like
"/cpus/cpu@0 missing clock-frequency property".
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx7d.dtsi

@@ -51,12 +51,14 @@ cpu0: cpu@0 {
 				996000	1075000
 				792000	975000
 			>;
+			clock-frequency = <996000000>;
 		};
 
 		cpu1: cpu@1 {
 			compatible = "arm,cortex-a7";
 			device_type = "cpu";
 			reg = <1>;
+			clock-frequency = <996000000>;
 		};
 	};
 

arch/arm/boot/dts/imx7s.dtsi

@@ -85,6 +85,7 @@ cpu0: cpu@0 {
 			compatible = "arm,cortex-a7";
 			device_type = "cpu";
 			reg = <0>;
+			clock-frequency = <792000000>;
 			clock-latency = <61036>; /* two CLK32 periods */
 			clocks = <&clks IMX7D_CLK_ARM>;
 		};