linuxcncrsh: use lui for setting task mode (manual/auto/mdi)

Signed-off-by: Sebastian Kuzminsky <seb@highlab.com>
lui: add mist/flood on/off

Signed-off-by: Sebastian Kuzminsky <seb@highlab.com>
linuxcncrsh: use lui for mist/flood on/off

Signed-off-by: Sebastian Kuzminsky <seb@highlab.com>
xemc: use lui for flood/mist on/off

Signed-off-by: Sebastian Kuzminsky <seb@highlab.com>