Use released version of BBSim

Change-Id: I63197270d2a1f35da5ee1501ea428bf89ebda520
diff --git a/examples/bbsim-16.yaml b/examples/bbsim-16.yaml
index 62a8804..c0aae3c 100644
--- a/examples/bbsim-16.yaml
+++ b/examples/bbsim-16.yaml
@@ -39,7 +39,7 @@
       type: tosca.nodes.OLTDevice
       properties:
         name: BBSIM_OLT
-        device_type: bbsimolt
+        device_type: openolt
         host: bbsim.voltha.svc
         port: 50060
         switch_datapath_id: of:0000000000000002