arm64: dts: qcom: ipq8074: add APCS node

APCS now has support for providing the APSS clocks as the child device
for IPQ8074.

So, add the required DT node for it as it will later be used as the CPU
clocksource.

Signed-off-by: Robert Marko <robimarko@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
[bjorn: Sorted node based on address]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220707173733.404947-4-robimarko@gmail.com

arch/arm64/boot/dts/qcom/ipq8074.dtsi

@@ -662,6 +662,14 @@
 			timeout-sec = <30>;
 		};
 
+		apcs_glb: mailbox@b111000 {
+			compatible = "qcom,ipq8074-apcs-apps-global";
+			reg = <0x0b111000 0x6000>;
+
+			#clock-cells = <1>;
+			#mbox-cells = <1>;
+		};
+
 		timer@b120000 {
 			#address-cells = <1>;
 			#size-cells = <1>;