[RFC PATCH 03/16] patman: Add a test that uses gitpython

[Simon Glass]

It is convenient to use gitpython to create a real git repo for testing
patman's operation. Add a test for this. So far it just checks that patman
produces the right number of patches for a branch.

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

 tools/patman/func_test.py | 151 +++++++++++++++++++++++++++++++++++++-
 tools/patman/tools.py     |   4 +-
 2 files changed, 152 insertions(+), 3 deletions(-)

Applied to u-boot-dm