arm64: dts: ti: k3-am65: Use exact ranges for FSS node

The FSS bus contains several register ranges. Using an empty
ranges property works but causes a DT warning when we give
this node an address. Fix this by explicitly defining the
memory ranges in use.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240326205920.40147-1-afd@ti.comSigned-off-by: Nishanth Menon <nm@ti.com>

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

@@ -285,7 +285,11 @@ fss: bus@47000000 {
 		compatible = "simple-bus";
 		#address-cells = <2>;
 		#size-cells = <2>;
-		ranges;
+		ranges = <0x0 0x47000000 0x0 0x47000000 0x0 0x100>, /* FSS Control */
+			 <0x0 0x47040000 0x0 0x47040000 0x0 0x100>, /* OSPI0 Control */
+			 <0x0 0x47050000 0x0 0x47050000 0x0 0x100>, /* OSPI1 Control */
+			 <0x5 0x00000000 0x5 0x00000000 0x1 0x0000000>, /* OSPI0 Memory */
+			 <0x7 0x00000000 0x7 0x00000000 0x1 0x0000000>; /* OSPI1 Memory */
 
 		ospi0: spi@47040000 {
 			compatible = "ti,am654-ospi", "cdns,qspi-nor";