executor/pdu: add support for Devantech Ltd ETH08 PDUs
The Devantech relay module has an Ethernet interface and 8 relays.
The uses TCP protocol can be found here: https://www.robot-electronics.co.uk/files/eth008.pdf
The Devantech relay module has an Ethernet interface and 8 relays.
The uses TCP protocol can be found here: https://www.robot-electronics.co.uk/files/eth008.pdf