qcacmn: Add tlv formation of some wmi vdev commands in common wmi layer

Move tlv formation of wmi vdev start/restart commands from umac to
common wmi layer.

Change-Id: Id040983068ff610e68880dd5f503edf9b9c8cff9
CRs-Fixed: 987362

wmi/inc/wmi_unified_tlv.h

@@ -44,6 +44,12 @@ QDF_STATUS send_vdev_stop_cmd_tlv(wmi_unified_t wmi,
 QDF_STATUS send_vdev_down_cmd_tlv(wmi_unified_t wmi,
 			uint8_t vdev_id);
 
+QDF_STATUS send_vdev_start_cmd_tlv(wmi_unified_t wmi,
+			struct vdev_start_params *req);
+
+QDF_STATUS send_hidden_ssid_vdev_restart_cmd_tlv(wmi_unified_t wmi_handle,
+		struct hidden_ssid_vdev_restart_params *restart_params);
+
 QDF_STATUS send_peer_flush_tids_cmd_tlv(wmi_unified_t wmi,
 			 uint8_t peer_addr[IEEE80211_ADDR_LEN],
 			 struct peer_flush_params *param);