Added a PRESUBMIT.cfg file to punybench

To avoid having to use --no-verify, I've added a PRESUMIT.cfg
file to punybench that turns off checking for the copywrite
and tabs.

BUG=chromium:243368
TEST=repo upload .

Change-Id: If49b0a24463fb278c54c539e0f19efb47006cdb8
Reviewed-on: https://gerrit.chromium.org/gerrit/56419
Tested-by: Paul Taysom <taysom@chromium.org>
Reviewed-by: Luigi Semenzato <semenzato@chromium.org>
Commit-Queue: Paul Taysom <taysom@chromium.org>
diff --git a/PRESUBMIT.cfg b/PRESUBMIT.cfg
new file mode 100644
index 0000000..ddaa7ff
--- /dev/null
+++ b/PRESUBMIT.cfg
@@ -0,0 +1,7 @@
+[Hook Overrides]
+
+# We need to manually ensure that any new file added has the correct header.
+# There are too many existing files that we are not going to be changing the
+# header on to make use of this automated check.
+cros_license_check: false
+tab_check: false