qcacmn: Handle vendor control command and event

WMI_ROAM_GET_VENDOR_CONTROL_PARAM_CMDID: Add support
for a new roam command to get vendor control parameters
from FW. Host needs to send proper param ID in command
(from enum WMI_ROAM_GET_VENDOR_CONTROL_PARAM_ID)
to get corresponding INI value from FW.

WMI_ROAM_GET_VENDOR_CONTROL_PARAM_EVENTID:
Add support for a new roam event to get param value
from FW. FW sends this event upon receiving
WMI_ROAM_GET_VENDOR_CONTROL_PARAM_CMDID command.

Change-Id: Ic7b3badb14daff183dd36927b4dae6bbc036e6cd
CRs-Fixed: 3225166

umac/mlme/mlme_objmgr/dispatcher/src/wlan_cmn_mlme_main.c

@@ -502,6 +502,18 @@ QDF_STATUS mlme_cm_osif_disconnect_start_ind(struct wlan_objmgr_vdev *vdev)
 	return ret;
 }
 
+#ifdef WLAN_VENDOR_HANDOFF_CONTROL
+QDF_STATUS mlme_cm_osif_get_vendor_handoff_params(struct wlan_objmgr_psoc *psoc,
+						  void *vendor_handoff_context)
+{
+	if (glbl_cm_ops && glbl_cm_ops->mlme_cm_get_vendor_handoff_params_cb)
+		return glbl_cm_ops->mlme_cm_get_vendor_handoff_params_cb(psoc,
+							vendor_handoff_context);
+
+	return QDF_STATUS_E_FAILURE;
+}
+#endif
+
 #ifdef CONN_MGR_ADV_FEATURE
 QDF_STATUS mlme_cm_osif_roam_sync_ind(struct wlan_objmgr_vdev *vdev)
 {