[PATCH 03/20] u_boot_pylib: Speed up determining the upstream branch

[Simon Glass]

Use --decorate to quickly detect the upstream branch, since this is much
faster than using 'git name-rev' on every possible commit.

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

 tools/u_boot_pylib/gitutil.py | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

Applied to sjg/master, thanks!