CW312T_K82F doesn't show up in the readthedocs

The CW312T_K82F doesn't show up in chipwhisperer.readthedocs.io only [CW308T_K82](https://chipwhisperer.readthedocs.io/en/latest/chipwhisperer-target-cw308t/CW308T_K82/README.html) is available.

All CW312T boards are also not in the [Targets page](https://chipwhisperer.readthedocs.io/en/latest/Targets/index.html)