NetTestControlles: remove unused sp variable

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
lnst-ctl: sort help message and getopt input data and parsing

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
lnst-ctl: unite get_recipe_result and process_recipe param order with NetTestController constructor

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
lnst-ctl: remove unneed initialization of recipe_path variable

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
NetTestController: make "packet_capture" a constructor parameter

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
lnst-ctl: move NetTestController contruction into get_recipe_result

and avoid unnecessary long arg lines

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
lnst-ctl: call get_recipe_result from single point and remove unused summary[]

Signed-off-by: Jiri Pirko <jiri@resnulli.us>