arm64: dts: ti: k3-am654: Update compatible for dmsc

Use the am654 specific compatible for dmsc. This allows to use
the am654 specific RM mapping table.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>

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

@@ -7,7 +7,7 @@
 
 &cbass_wakeup {
 	dmsc: dmsc {
-		compatible = "ti,k2g-sci";
+		compatible = "ti,am654-sci";
 		ti,host-id = <12>;
 		#address-cells = <1>;
 		#size-cells = <1>;