Some boards define multiple configuration which all are maintained under
the same board directory. The flasher was looking for an openocd.cfg
based on the board name, which can't be found for such boards.
Use the variable BOARD_DIR provided by cmake instead of trying to
assemble the board directory location on our own.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Factor the classes which do the work into a new "runner" package. This
package has a core module where ZephyrBinaryRunner and common helpers
will live, and one file per subclass / runner front-end.
The top-level script, zephyr_flash_debug.py, still exists, but just
delegates its work to the core.
Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>