arm64: dts: ti: k3: Fix epwm_tbclk node name to generic name

The name "clock" is not allowed for nodes, use "clock-controller" to
remove the DTS check warning.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20230802174521.236255-3-afd@ti.comSigned-off-by: Nishanth Menon <nm@ti.com>

arch/arm64/boot/dts/ti/k3-am62-main.dtsi

@@ -55,7 +55,7 @@ phy_gmii_sel: phy@4044 {
 			#phy-cells = <1>;
 		};
 
-		epwm_tbclk: clock@4130 {
+		epwm_tbclk: clock-controller@4130 {
 			compatible = "ti,am62-epwm-tbclk";
 			reg = <0x4130 0x4>;
 			#clock-cells = <1>;

arch/arm64/boot/dts/ti/k3-am64-main.dtsi

@@ -61,7 +61,7 @@ phy_gmii_sel: phy@4044 {
 			#phy-cells = <1>;
 		};
 
-		epwm_tbclk: clock@4140 {
+		epwm_tbclk: clock-controller@4140 {
 			compatible = "ti,am64-epwm-tbclk";
 			reg = <0x4130 0x4>;
 			#clock-cells = <1>;

arch/arm64/boot/dts/ti/k3-am65-main.dtsi

@@ -502,7 +502,7 @@ dss_oldi_io_ctrl: dss-oldi-io-ctrl@41e0 {
 			reg = <0x000041e0 0x14>;
 		};
 
-		ehrpwm_tbclk: clock@4140 {
+		ehrpwm_tbclk: clock-controller@4140 {
 			compatible = "ti,am654-ehrpwm-tbclk";
 			reg = <0x4140 0x18>;
 			#clock-cells = <1>;