doc: fix zephyr-app-commands for west

        if cd_into and app:

            content.append('cd {}'.format(app))

        if 'build' in goals:

            build_args = ' -b {}{}{}{}'.format(board, dst, src, cmake_args)

            content.append('west build{}'.format(build_args))

        # We always have to run west build.

        #

        # FIXME: doing this unconditionally essentially ignores the

        # maybe-skip-config option if set.

        #

        # This whole script and its users from within the

        # documentation needs to be overhauled now that we're

        # defaulting to west.

        #

        # For now, this keeps the resulting commands working.

        content.append('west build -b {}{}{}{}'.

                       format(board, dst, src, cmake_args))

        goal_args = '{}'.format(dst)

        # If we're signing, we want to do that next, so that flashing

        # etc. commands can use the signed file which must be created

        # in this step.

        if 'sign' in goals:

            content.append('west sign{}'.format(goal_args))

            content.append('west sign{}'.format(dst))

        for goal in goals:

            if goal == 'build' or goal == 'sign':

                continue

            elif goal == 'flash':

                content.append('west flash{}'.format(goal_args))

                content.append('west flash{}'.format(dst))

            elif goal == 'debug':

                content.append('west debug{}'.format(goal_args))

                content.append('west debug{}'.format(dst))

            elif goal == 'debugserver':

                content.append('west debugserver{}'.format(goal_args))

                content.append('west debugserver{}'.format(dst))

            elif goal == 'attach':

                content.append('west attach{}'.format(goal_args))

                content.append('west attach{}'.format(dst))

            else:

                content.append('west build -t {}{}'.format(goal, goal_args))

                content.append('west build -t {}{}'.format(goal, dst))

        return content