buildman: Tidy up a few comments
Add some function comments which are missing, or missing arguments.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/buildman/control.py b/tools/buildman/control.py
index a767570..5fcfba7 100644
--- a/tools/buildman/control.py
+++ b/tools/buildman/control.py
@@ -124,6 +124,8 @@
arguments. This setting is useful for tests.
board: Boards() object to use, containing a list of available
boards. If this is None it will be created and scanned.
+ clean_dir: Used for tests only, indicates that the existing output_dir
+ should be removed before starting the build
"""
global builder