Allow tabs in /third_party/bluez files

Allows tabs in bluez files, since this is the current convention.

BUG=None
TEST=ran hooks against change in bluez

Change-Id: Ifbce87ffcd97946e3d18ce83a1e269ff22910777
Reviewed-on: https://chromium-review.googlesource.com/555573
Commit-Ready: C Shapiro <shapiroc@google.com>
Tested-by: C Shapiro <shapiroc@google.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/pre-upload.py b/pre-upload.py
index efc6f5f..a8c4240 100755
--- a/pre-upload.py
+++ b/pre-upload.py
@@ -468,6 +468,7 @@
   """Checks there are no unexpanded tabs."""
   TAB_OK_PATHS = [
       r"/src/third_party/u-boot/",
+      r"/src/third_party/bluez/",
       r".*\.ebuild$",
       r".*\.eclass$",
       r".*/[M|m]akefile$",