esp_wifi: fix WiFi deinit memory leak

components/wpa_supplicant/include/esp_supplicant/esp_wpa.h

@@ -54,6 +54,16 @@ const mesh_crypto_funcs_t g_wifi_default_mesh_crypto_funcs;
   */
 esp_err_t esp_supplicant_init(void);
 
+/**
+  * @brief     Supplicant deinitialization
+  *
+  * @return    
+  *          - ESP_OK : succeed
+  *          - others: failed
+  */
+esp_err_t esp_supplicant_deinit(void);
+
+
 /**
   * @}
   */