arm64: dts: ti: k3-am65: Add full compatible to SerDes control nodes

This matches the binding for this register region which fixes a couple
DTS check warnings.

While here trim the leading 0s from the "reg" definition.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240326185627.29852-1-afd@ti.comSigned-off-by: Nishanth Menon <nm@ti.com>

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

@@ -482,13 +482,13 @@ scm_conf: scm-conf@100000 {
 		ranges = <0x0 0x0 0x00100000 0x1c000>;
 
 		serdes0_clk: clock@4080 {
-			compatible = "syscon";
-			reg = <0x00004080 0x4>;
+			compatible = "ti,am654-serdes-ctrl", "syscon";
+			reg = <0x4080 0x4>;
 		};
 
 		serdes1_clk: clock@4090 {
-			compatible = "syscon";
-			reg = <0x00004090 0x4>;
+			compatible = "ti,am654-serdes-ctrl", "syscon";
+			reg = <0x4090 0x4>;
 		};
 
 		serdes_mux: mux-controller {