esp_lcd_panel_io_tx_param() function

- ESP_ERR_INVALID_ARG if parameter is invalid - ESP_OK on success

Commands sent by this function are short, so they are sent using polling transactions. The function does not return before the command transfer is completed. If any queued transactions sent by `esp_lcd_panel_io_tx_color()` are still pending when this function is called, this function will wait until they are finished and the queue is empty before sending the command(s).