VOL-1288 - OpenOLT Update driver to use new per-interface ranges

Added DeviceInfo range sharing options for shared-per-technology
and global-per-board sharing.

Change-Id: Ic269cde79414ea2939fc94ee0f57c037b1946d06
diff --git a/.gitignore b/.gitignore
index 0ae61cc..a315b07 100644
--- a/.gitignore
+++ b/.gitignore
@@ -87,3 +87,6 @@
 .coverage
 coverage.xml
 nosetests.xml
+
+# openolt repo
+voltha/adapters/openolt/openolt