[evlatests] 3-bit status

[Ken Sowinski]

> * IF A as seen on Ken's 3-bit signal summary screen corresponds to
>    Data Path 1 (LCP) on the Station Board (and hence in the resulting data
>    files).  IF C is sent to DP0 and will be labeled RCP.  I suspect this
>    is a labeling error in Ken's code but will track that down tomorrow.

There was no problem with labelling when we last used three-bit
samplers.  I would suspect wiring in the sampler module or cabling.