Using latest BBSim in voltha-2.5

Change-Id: I855dda6e4498f7258fd8498172516f1c341283db
diff --git a/releases/voltha-2.5 b/releases/voltha-2.5
index e2327de..906b7da 100644
--- a/releases/voltha-2.5
+++ b/releases/voltha-2.5
@@ -4,7 +4,7 @@
 # Source this file before running ./voltha up to install the VOLTHA 2.5.0 release
 
 export VOLTHA_CHART_VERSION=2.6.4
-export VOLTHA_BBSIM_CHART_VERSION=4.0.1
+export VOLTHA_BBSIM_CHART_VERSION=4.0.2
 export VOLTHA_ADAPTER_OPEN_OLT_CHART_VERSION=2.6.4
 export VOLTHA_ADAPTER_OPEN_ONU_CHART_VERSION=2.5.0
 export ONOS_CLASSIC_CHART_VERSION=0.1.8