* optparse is deprecated and will not be developed further
(see: https://docs.python.org/2/library/optparse.html)
* argparse supports subcommands, which simplifies definition of
arguments and options
* reimplement help mechanism through sub-subcommands
[YOCTO #9636]
Signed-off-by: Andreas Reichel <andreas.reichel.ext@siemens.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Daniel Wagner <daniel.wagner@siemens.com> Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
