Updating OLT app

Change-Id: I98f2b4b4ee95cb21567a2470e941596cef1960b9
diff --git a/apps/olt b/apps/olt
index 887a64b..98ec669 160000
--- a/apps/olt
+++ b/apps/olt
@@ -1 +1 @@
-Subproject commit 887a64b06952886042900b7160863cdcce69c53c
+Subproject commit 98ec669b0f0058d077a91dc91c8dc31ff782358c