VOL-1830 setting openonu use use etcd for storing mib sync entities

Change-Id: Ie08c5272e7f612f8bb3e535bfa7d2630eacf98a5
diff --git a/python/adapters/brcm_openomci_onu/brcm_openomci_onu.py b/python/adapters/brcm_openomci_onu/brcm_openomci_onu.py
index ff70e50..ca02767 100644
--- a/python/adapters/brcm_openomci_onu/brcm_openomci_onu.py
+++ b/python/adapters/brcm_openomci_onu/brcm_openomci_onu.py
@@ -36,6 +36,7 @@
 from pyvoltha.adapters.common.frameio.frameio import hexify
 from pyvoltha.adapters.extensions.omci.openomci_agent import OpenOMCIAgent, OpenOmciAgentDefaults
 from pyvoltha.adapters.extensions.omci.omci_me import *
+from pyvoltha.adapters.extensions.omci.database.mib_db_ext import MibDbExternal
 
 from brcm_openomci_onu_handler import BrcmOpenomciOnuHandler
 from omci.brcm_capabilities_task import BrcmCapabilitiesTask
@@ -77,6 +78,7 @@
         self.broadcom_omci = deepcopy(OpenOmciAgentDefaults)
 
         self.broadcom_omci['mib-synchronizer']['state-machine'] = BrcmMibSynchronizer
+        self.broadcom_omci['mib-synchronizer']['database'] = MibDbExternal
         self.broadcom_omci['omci-capabilities']['tasks']['get-capabilities'] = BrcmCapabilitiesTask
 
         # Defer creation of omci agent to a lazy init that allows subclasses to override support classes
diff --git a/python/requirements.txt b/python/requirements.txt
index 4284338..b264018 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -60,4 +60,4 @@
 python-consul==0.6.2
 afkak==3.0.0.dev20181106
 voltha-protos>=0.1.4
-pyvoltha==0.2.3
+pyvoltha==0.2.4