Code review comment for lp://qastaging/~stylesen/lava-project/device-connect-method-doc

I think I might collapse the method 3 part about "screen" into method 1. Something like:

In some cases cu on Ubuntu has shown issues sending STDIN to the target. In this case GNU screen is an alternative::

  sudo screen -t 'ttyUSB0 115200 8n1' /dev/ttyUSB0 115200,-ixoff,-ixon