[PATCH v4 67/83] buildman: Move more things into _build_args()

[Simon Glass]

Move more of the argument-building code into this function. Fix a missing
assignment for out_rel_dir too.

Rename the function since it now builds all the arguments.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 tools/buildman/builderthread.py | 55 ++++++++++++++++++++-------------
 1 file changed, 34 insertions(+), 21 deletions(-)

Applied to u-boot-dm, thanks!