[PATCH v3 3/4] patman: Run get_maintainer.pl in parallel

[Simon Glass]

This script can take ages on some series. Try to limit the time by
using threads. If a few stubborn patches remain, show progress so the
user has some idea what is going on.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Douglas Anderson <dianders at chromium.org>
---

(no changes since v1)

 tools/patmanu/func_test.py |  2 ++
 tools/patmanu/series.py    | 33 ++++++++++++++++++++++++++++++---
 2 files changed, 32 insertions(+), 3 deletions(-)

Applied to u-boot-dm/next, thanks!