ARM: dts: imx: add required #clock-cells for fixed-clock

Per bindings of fixed-clock, #clock-cells is a required property.  Let's
add it for those fixed rate clocks.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

arch/arm/boot/dts/imx25.dtsi

@@ -56,6 +56,7 @@ clocks {
 
 		osc {
 			compatible = "fsl,imx-osc", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};

arch/arm/boot/dts/imx27-apf27.dts

@@ -29,6 +29,7 @@ clocks {
 
 		osc26m {
 			compatible = "fsl,imx-osc26m", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 	};

arch/arm/boot/dts/imx27.dtsi

@@ -48,6 +48,7 @@ clocks {
 
 		osc26m {
 			compatible = "fsl,imx-osc26m", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <26000000>;
 		};
 	};

arch/arm/boot/dts/imx50.dtsi

@@ -53,21 +53,25 @@ clocks {
 
 		ckil {
 			compatible = "fsl,imx-ckil", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		ckih1 {
 			compatible = "fsl,imx-ckih1", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <22579200>;
 		};
 
 		ckih2 {
 			compatible = "fsl,imx-ckih2", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 
 		osc {
 			compatible = "fsl,imx-osc", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};

arch/arm/boot/dts/imx51.dtsi

@@ -50,21 +50,25 @@ clocks {
 
 		ckil {
 			compatible = "fsl,imx-ckil", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		ckih1 {
 			compatible = "fsl,imx-ckih1", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 
 		ckih2 {
 			compatible = "fsl,imx-ckih2", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 
 		osc {
 			compatible = "fsl,imx-osc", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};

arch/arm/boot/dts/imx53.dtsi

@@ -70,21 +70,25 @@ clocks {
 
 		ckil {
 			compatible = "fsl,imx-ckil", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		ckih1 {
 			compatible = "fsl,imx-ckih1", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <22579200>;
 		};
 
 		ckih2 {
 			compatible = "fsl,imx-ckih2", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 
 		osc {
 			compatible = "fsl,imx-osc", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};

arch/arm/boot/dts/imx6qdl.dtsi

@@ -59,16 +59,19 @@ clocks {
 
 		ckil {
 			compatible = "fsl,imx-ckil", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		ckih1 {
 			compatible = "fsl,imx-ckih1", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <0>;
 		};
 
 		osc {
 			compatible = "fsl,imx-osc", "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};

arch/arm/boot/dts/imx6sl.dtsi

@@ -79,11 +79,13 @@ clocks {
 
 		ckil {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		osc {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};

arch/arm/boot/dts/vf610-twr.dts

@@ -25,11 +25,13 @@ memory {
 	clocks {
 		audio_ext {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24576000>;
 		};
 
 		enet_ext {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <50000000>;
 		};
 	};

arch/arm/boot/dts/vf610.dtsi

@@ -45,11 +45,13 @@ clocks {
 
 		sxosc {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <32768>;
 		};
 
 		fxosc {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <24000000>;
 		};
 	};