arm64: dts: ti: k3-j784s4-main: Add audio_refclk node

On J784S4 SoC, the AUDIO_REFCLK1 can be used as input to external
peripherals when configured through CTRL_MMR.
Add audio_refclk1 node which would be used as system clock for
audio codec PCM3168A.

Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Link: https://lore.kernel.org/r/20240626101645.36764-3-j-choudhary@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

Author: jayesh-ti

arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi

@@ -121,6 +121,15 @@
 			reg = <0x4140 0x18>;
 			#clock-cells = <1>;
 		};
+
+		audio_refclk1: clock@82e4 {
+			compatible = "ti,am62-audio-refclk";
+			reg = <0x82e4 0x4>;
+			clocks = <&k3_clks 157 34>;
+			assigned-clocks = <&k3_clks 157 34>;
+			assigned-clock-parents = <&k3_clks 157 63>;
+			#clock-cells = <0>;
+		};
 	};
 
 	main_ehrpwm0: pwm@3000000 {