[nrf fromtree] dts: nordic: nrf9280: define hsfll120

Define HSFLL120 clock.

Signed-off-by: Gerard Marull-Paretas <[email protected]>
(cherry picked from commit 332a335)

Author: gmarull

dts/common/nordic/nrf9280.dtsi

@@ -92,6 +92,17 @@
 			#clock-cells = <0>;
 			clock-frequency = <DT_FREQ_M(16)>;
 		};
+
+		hsfll120: hsfll120 {
+			compatible = "nordic,nrf-hsfll-global";
+			clocks = <&fll16m>;
+			#clock-cells = <0>;
+			clock-frequency = <320000000>;
+			supported-clock-frequencies = <64000000
+						       128000000
+						       256000000
+						       320000000>;
+		};
 	};
 
 	soc {