patman: Convert print statements to Python 3

Update all print statements to be functions, as required by Python 3.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/patman/func_test.py b/tools/patman/func_test.py
index d79e716..3148115 100644
--- a/tools/patman/func_test.py
+++ b/tools/patman/func_test.py
@@ -159,7 +159,6 @@
         os.remove(cc_file)
 
         lines = out[0].splitlines()
-        #print '\n'.join(lines)
         self.assertEqual('Cleaned %s patches' % len(series.commits), lines[0])
         self.assertEqual('Change log missing for v2', lines[1])
         self.assertEqual('Change log missing for v3', lines[2])
@@ -223,7 +222,6 @@
 
 '''
         lines = open(cover_fname).read().splitlines()
-        #print '\n'.join(lines)
         self.assertEqual(
                 'Subject: [RFC PATCH v3 0/2] test: A test patch series',
                 lines[3])
@@ -231,7 +229,6 @@
 
         for i, fname in enumerate(args):
             lines = open(fname).read().splitlines()
-            #print '\n'.join(lines)
             subject = [line for line in lines if line.startswith('Subject')]
             self.assertEqual('Subject: [RFC %d/%d]' % (i + 1, count),
                              subject[0][:18])
diff --git a/tools/patman/gitutil.py b/tools/patman/gitutil.py
index 7650b51..11aeb73 100644
--- a/tools/patman/gitutil.py
+++ b/tools/patman/gitutil.py
@@ -397,11 +397,11 @@
         git_config_to = command.Output('git', 'config', 'sendemail.to',
                                        raise_on_error=False)
         if not git_config_to:
-            print ("No recipient.\n"
-                   "Please add something like this to a commit\n"
-                   "Series-to: Fred Bloggs <f.blogs@napier.co.nz>\n"
-                   "Or do something like this\n"
-                   "git config sendemail.to u-boot@lists.denx.de")
+            print("No recipient.\n"
+                  "Please add something like this to a commit\n"
+                  "Series-to: Fred Bloggs <f.blogs@napier.co.nz>\n"
+                  "Or do something like this\n"
+                  "git config sendemail.to u-boot@lists.denx.de")
             return
     cc = BuildEmailList(list(set(series.get('cc')) - set(series.get('to'))),
                         '--cc', alias, raise_on_error)
diff --git a/tools/patman/test_util.py b/tools/patman/test_util.py
index 687d407..e462ec8 100644
--- a/tools/patman/test_util.py
+++ b/tools/patman/test_util.py
@@ -3,6 +3,8 @@
 # Copyright (c) 2016 Google, Inc
 #
 
+from __future__ import print_function
+
 from contextlib import contextmanager
 import glob
 import os
@@ -54,18 +56,18 @@
         missing_list = required
         missing_list.difference_update(test_set)
         if missing_list:
-            print 'Missing tests for %s' % (', '.join(missing_list))
-            print stdout
+            print('Missing tests for %s' % (', '.join(missing_list)))
+            print(stdout)
             ok = False
 
     coverage = lines[-1].split(' ')[-1]
     ok = True
-    print coverage
+    print(coverage)
     if coverage != '100%':
-        print stdout
-        print ("Type 'python-coverage html' to get a report in "
-               'htmlcov/index.html')
-        print 'Coverage error: %s, but should be 100%%' % coverage
+        print(stdout)
+        print("Type 'python-coverage html' to get a report in "
+              'htmlcov/index.html')
+        print('Coverage error: %s, but should be 100%%' % coverage)
         ok = False
     if not ok:
         raise ValueError('Test coverage failure')