patman: Avoid importing gitutil in settings

Pass this module in so that settings does not need to import it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Stefan Bosch <stefan_b@posteo.net>
diff --git a/tools/patman/main.py b/tools/patman/main.py
index 0974c84..0df2aa5 100755
--- a/tools/patman/main.py
+++ b/tools/patman/main.py
@@ -80,7 +80,7 @@
 # Parse options twice: first to get the project and second to handle
 # defaults properly (which depends on project).
 (options, args) = parser.parse_args()
-settings.Setup(parser, options.project, '')
+settings.Setup(gitutil, parser, options.project, '')
 (options, args) = parser.parse_args()
 
 if __name__ != "__main__":
diff --git a/tools/patman/settings.py b/tools/patman/settings.py
index ca74fc6..635561a 100644
--- a/tools/patman/settings.py
+++ b/tools/patman/settings.py
@@ -11,7 +11,6 @@
 import re
 
 from patman import command
-from patman import gitutil
 from patman import tools
 
 """Default settings per-project.
@@ -185,7 +184,7 @@
 
     fd.close()
 
-def CreatePatmanConfigFile(config_fname):
+def CreatePatmanConfigFile(gitutil, config_fname):
     """Creates a config file under $(HOME)/.patman if it can't find one.
 
     Args:
@@ -301,7 +300,7 @@
     except:
         raise
 
-def Setup(parser, project_name, config_fname=''):
+def Setup(gitutil, parser, project_name, config_fname=''):
     """Set up the settings module by reading config files.
 
     Args:
@@ -318,7 +317,7 @@
 
     if not os.path.exists(config_fname):
         print("No config file found ~/.patman\nCreating one...\n")
-        CreatePatmanConfigFile(config_fname)
+        CreatePatmanConfigFile(gitutil, config_fname)
 
     config.read(config_fname)