arm64: dts: qcom: sc7280: Add nodes to support WoW on WCN6750

Add DT nodes to support WoW (Wake on Wireless) feature on WCN6750
WiFi hardware on SC7280 SoC.
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221017125346.3691-3-quic_mpubbise@quicinc.com

arch/arm64/boot/dts/qcom/sc7280.dtsi

@@ -752,6 +752,17 @@ wpss_smp2p_in: slave-kernel {
 			interrupt-controller;
 			#interrupt-cells = <2>;
 		};
+
+		wlan_smp2p_out: wlan-ap-to-wpss {
+			qcom,entry-name = "wlan";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		wlan_smp2p_in: wlan-wpss-to-ap {
+			qcom,entry-name = "wlan";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
 	};
 
 	pmu {
@@ -2036,6 +2047,8 @@ wifi: wifi@17a10040 {
 			qcom,rproc = <&remoteproc_wpss>;
 			memory-region = <&wlan_fw_mem>, <&wlan_ce_mem>;
 			status = "disabled";
+			qcom,smem-states = <&wlan_smp2p_out 0>;
+			qcom,smem-state-names = "wlan-smp2p-out";
 		};
 
 		pcie1: pci@1c08000 {