[VOL-4290] Voltha go library updates for gRPC migration

Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/vendor/go.uber.org/atomic/.gitignore b/vendor/go.uber.org/atomic/.gitignore
index 0a4504f..c3fa253 100644
--- a/vendor/go.uber.org/atomic/.gitignore
+++ b/vendor/go.uber.org/atomic/.gitignore
@@ -1,6 +1,7 @@
+/bin
 .DS_Store
 /vendor
-/cover
+cover.html
 cover.out
 lint.log