arm64: dts: ti: k3-am68-phyboard-izar: Assign dss clocks

Assign the dss clocks in the base dts so that display overlays can be
used in any combination.

Signed-off-by: Dominik Haller <d.haller@phytec.de>
Link: https://patch.msgid.link/20260320212349.420951-2-d.haller@phytec.de
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

Author: dominiknh90

arch/arm64/boot/dts/ti/k3-am68-phyboard-izar.dts

@@ -298,6 +298,23 @@
 	};
 };
 
+&dss {
+	/*
+	 * VP0 - Displayport
+	 * VP1 - DPI0
+	 * VP2 - DSI0
+	 * VP3 - DPI1/DSI1
+	 */
+	assigned-clocks = <&k3_clks 158 2>,
+			  <&k3_clks 158 5>,
+			  <&k3_clks 158 14>,
+			  <&k3_clks 158 18>;
+	assigned-clock-parents = <&k3_clks 158 3>,
+				 <&k3_clks 158 7>,
+				 <&k3_clks 158 16>,
+				 <&k3_clks 158 22>;
+};
+
 &i2c_som_rtc {
 	trickle-resistor-ohms = <3000>;
 };