qcacmn: Add support to RSSI DBm conversion API

Add WMI PSOC rssi Dbm conversion support service id.

Change-Id: I0fe9e7519926b26372a222529d66345e1a3c5655
CRs-Fixed: 3152182

wmi/inc/wmi_unified_param.h

@@ -5579,6 +5579,9 @@ typedef enum {
 	wmi_service_radar_found_chan_freq_eq_center_freq,
 #endif
 	wmi_service_pn_replay_check_support,
+#ifdef QCA_RSSI_DB2DBM
+	wmi_service_pdev_rssi_dbm_conv_event_support,
+#endif
 	wmi_services_max,
 } wmi_conv_service_ids;
 #define WMI_SERVICE_UNAVAILABLE 0xFFFF

wmi/src/wmi_unified_tlv.c

@@ -18750,6 +18750,10 @@ static void populate_tlv_service(uint32_t *wmi_service)
 #endif
 	wmi_service[wmi_service_pn_replay_check_support] =
 			WMI_SERVICE_PN_REPLAY_CHECK_SUPPORT;
+#ifdef QCA_RSSI_DB2DBM
+	wmi_service[wmi_service_pdev_rssi_dbm_conv_event_support] =
+			WMI_SERVICE_PDEV_RSSI_DBM_CONV_EVENT_SUPPORT;
+#endif
 }
 
 /**