patman: Handle checkpatch output with notes and code

If checkpatch is configured to output code we should ignore it. Similarly,
notes should be ignored.

Update the logic to handle these situations.

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

tools/patman/checkpatch.py

@@ -85,7 +85,8 @@ def CheckPatch(fname, verbose=False):
     re_warning = re.compile(emacs_prefix + 'WARNING:(?:[A-Z_]+:)? (.*)')
     re_check = re.compile('CHECK: (.*)')
     re_file = re.compile('#\d+: FILE: ([^:]*):(\d+):')
-
+    re_note = re.compile('NOTE: (.*)')
+    indent = ' ' * 6
     for line in result.stdout.splitlines():
         if verbose:
             print(line)
@@ -96,6 +97,14 @@ def CheckPatch(fname, verbose=False):
                 result.problems.append(item)
                 item = {}
             continue
+        if re_note.match(line):
+            continue
+        # Skip lines which quote code
+        if line.startswith(indent):
+            continue
+        # Skip code quotes and #<n>
+        if line.startswith('+') or line.startswith('#'):
+            continue
         match = re_stats_full.match(line)
         if not match:
             match = re_stats.match(line)