arm64: dts: apm: storm: move non-MMIO node out of soc

Non-MMIO devices, like fixed-clocks, should not be within simple-bus.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240402200818.79446-1-krzk@kernel.org

arch/arm64/boot/dts/apm/apm-storm.dtsi

@@ -112,6 +112,13 @@ gic: interrupt-controller@78010000 {
 		interrupts = <1 9 0xf04>;	/* GIC Maintenence IRQ */
 	};
 
+	refclk: refclk {
+		compatible = "fixed-clock";
+		#clock-cells = <1>;
+		clock-frequency = <100000000>;
+		clock-output-names = "refclk";
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <1 0 0xff08>,	/* Secure Phys IRQ */
@@ -137,12 +144,6 @@ clocks {
 			#address-cells = <2>;
 			#size-cells = <2>;
 			ranges;
-			refclk: refclk {
-				compatible = "fixed-clock";
-				#clock-cells = <1>;
-				clock-frequency = <100000000>;
-				clock-output-names = "refclk";
-			};
 
 			pcppll: pcppll@17000100 {
 				compatible = "apm,xgene-pcppll-clock";