When writing to MCP23016 there is no verification if write process was successfully finished (e.g. [here](https://github.com/lnls-dig/openMMC/blob/e95e8d40947b9a3998c1cb4954b8de422d6b8531/port/board/afc-v4/payload.c#L257)).
When writing to MCP23016 there is no verification if write process was successfully finished (e.g. here).