arm64: dts: ti: k3-am62a: Enable AUDIO_REFCLKx

On AM62a SoCs the AUDIO_REFCLKx clocks can be used as an input to
external peripherals when configured through CTRL_MMR, so add the
clock nodes.

Based on: Link: https://lore.kernel.org/lkml/20230807202159.13095-2-francesco@dolcini.it/Signed-off-by: Garrett Giordano <ggiordano@phytec.com>
Link: https://lore.kernel.org/r/20240626155244.3311436-1-ggiordano@phytec.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>

arch/arm64/boot/dts/ti/k3-am62a-main.dtsi

@@ -59,6 +59,24 @@ epwm_tbclk: clock-controller@4130 {
 			reg = <0x4130 0x4>;
 			#clock-cells = <1>;
 		};
+
+		audio_refclk0: clock-controller@82e0 {
+			compatible = "ti,am62-audio-refclk";
+			reg = <0x82e0 0x4>;
+			clocks = <&k3_clks 157 0>;
+			assigned-clocks = <&k3_clks 157 0>;
+			assigned-clock-parents = <&k3_clks 157 8>;
+			#clock-cells = <0>;
+		};
+
+		audio_refclk1: clock-controller@82e4 {
+			compatible = "ti,am62-audio-refclk";
+			reg = <0x82e4 0x4>;
+			clocks = <&k3_clks 157 10>;
+			assigned-clocks = <&k3_clks 157 10>;
+			assigned-clock-parents = <&k3_clks 157 18>;
+			#clock-cells = <0>;
+		};
 	};
 
 	dmss: bus@48000000 {