ARM: dts: at91: use clock-controller name for sckc nodes

Use clock-controller generic name for slow clock controller nodes.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230517094119.2894220-5-claudiu.beznea@microchip.com

arch/arm/boot/dts/at91sam9g45.dtsi

@@ -923,7 +923,7 @@ usb2: gadget@fff78000 {
 				status = "disabled";
 			};
 
-			clk32k: sckc@fffffd50 {
+			clk32k: clock-controller@fffffd50 {
 				compatible = "atmel,at91sam9x5-sckc";
 				reg = <0xfffffd50 0x4>;
 				clocks = <&slow_xtal>;

arch/arm/boot/dts/at91sam9rl.dtsi

@@ -799,7 +799,7 @@ watchdog@fffffd40 {
 				status = "disabled";
 			};
 
-			clk32k: sckc@fffffd50 {
+			clk32k: clock-controller@fffffd50 {
 				compatible = "atmel,at91sam9x5-sckc";
 				reg = <0xfffffd50 0x4>;
 				clocks = <&slow_xtal>;

arch/arm/boot/dts/at91sam9x5.dtsi

@@ -154,7 +154,7 @@ pit: timer@fffffe30 {
 				clocks = <&pmc PMC_TYPE_CORE PMC_MCK>;
 			};
 
-			clk32k: sckc@fffffe50 {
+			clk32k: clock-controller@fffffe50 {
 				compatible = "atmel,at91sam9x5-sckc";
 				reg = <0xfffffe50 0x4>;
 				clocks = <&slow_xtal>;

arch/arm/boot/dts/sam9x60.dtsi

@@ -1322,7 +1322,7 @@ pit: timer@fffffe40 {
 				clocks = <&pmc PMC_TYPE_CORE PMC_MCK>;
 			};
 
-			clk32k: sckc@fffffe50 {
+			clk32k: clock-controller@fffffe50 {
 				compatible = "microchip,sam9x60-sckc";
 				reg = <0xfffffe50 0x4>;
 				clocks = <&slow_xtal>;

arch/arm/boot/dts/sama5d2.dtsi

@@ -704,7 +704,7 @@ watchdog: watchdog@f8048040 {
 				status = "disabled";
 			};
 
-			clk32k: sckc@f8048050 {
+			clk32k: clock-controller@f8048050 {
 				compatible = "atmel,sama5d4-sckc";
 				reg = <0xf8048050 0x4>;
 

arch/arm/boot/dts/sama5d3.dtsi

@@ -1040,7 +1040,7 @@ watchdog: watchdog@fffffe40 {
 				status = "disabled";
 			};
 
-			clk32k: sckc@fffffe50 {
+			clk32k: clock-controller@fffffe50 {
 				compatible = "atmel,sama5d3-sckc";
 				reg = <0xfffffe50 0x4>;
 				clocks = <&slow_xtal>;

arch/arm/boot/dts/sama5d4.dtsi

@@ -761,7 +761,7 @@ watchdog: watchdog@fc068640 {
 				status = "disabled";
 			};
 
-			clk32k: sckc@fc068650 {
+			clk32k: clock-controller@fc068650 {
 				compatible = "atmel,sama5d4-sckc";
 				reg = <0xfc068650 0x4>;
 				#clock-cells = <0>;