zeusminer: Identify the Chip # both in the UI and RPC API

![ZeusMiner Stats](http://www.nwoolls.com/othercontent/BFGMiner%20ZeusMiner%20Per-Core-Chips-IDd.png)
Might want to remove the 2nd condition here, since zeusminer_override_statline_temp2 is used in more than just the device list (it's used in Manage TUI)