Bump version to 3.2.0
Update README.md for voltha-2.6 release
Update BUILDING.md file for using BAL3.4.9.6 package
Update debian package files to build for BAL 3.4.9.6
Fix issue in dev_mgmt_daemon service script

Change-Id: I0853bef9f30f67b8db0868f6dbb92c8248ce0130
diff --git a/agent/device/asgvolt64/mkdebian/debian/files b/agent/device/asgvolt64/mkdebian/debian/files
index 436e715..365a521 100644
--- a/agent/device/asgvolt64/mkdebian/debian/files
+++ b/agent/device/asgvolt64/mkdebian/debian/files
@@ -1 +1 @@
-asgvolt64_3.4.7.5+edgecore-V202008030101_amd64.deb misc optional
+asgvolt64_3.4.9.6+edgecore-V202008310101_amd64.deb misc optional