arm64: dts: ti: k3-am65-wakeup: Drop un-necessary properties from dmsc node

The DMSC node does'nt require any of "#address-cells", "#size-cells"
or "ranges" property as the child nodes are representations of SoC's
system controller itself, so align it with the bindings.
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tero Kristo <kristo@kernel.org>
Link: https://lore.kernel.org/r/20210510145033.7426-4-nm@ti.com

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

@@ -9,9 +9,6 @@ &cbass_wakeup {
 	dmsc: dmsc@44083000 {
 		compatible = "ti,am654-sci";
 		ti,host-id = <12>;
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges;
 
 		mbox-names = "rx", "tx";