qcacmn: Add support to handle twt notify event

Add support to handle twt notify event from firmware.

Change-Id: Ia4a84b0f3cfb76401681707c08e8169d07dacdbd
CRs-Fixed: 2847179

wmi/inc/wmi_unified_twt_param.h

@@ -586,6 +586,14 @@ struct wmi_twt_resume_dialog_complete_event_param {
 	uint32_t status;
 };
 
+/**
+ * struct wmi_twt_notify_event_param -
+ * @vdev_id: VDEV identifier
+ */
+struct wmi_twt_notify_event_param {
+	uint32_t vdev_id;
+};
+
 #ifdef WLAN_SUPPORT_BCAST_TWT
 /**
  * struct wmi_twt_btwt_invite_sta_cmd_param -