VOL-1530: Hard Reboot Edgecore asfvolt16 OLT when no ONUs are connected to it

Change-Id: Iaaa94911289642f86f1513d45cc987fce5c2a8f0
diff --git a/adaptercore/olt_state_transitions.go b/adaptercore/olt_state_transitions.go
index 5d53fee..1cd71f0 100644
--- a/adaptercore/olt_state_transitions.go
+++ b/adaptercore/olt_state_transitions.go
@@ -88,7 +88,7 @@
 	// In doInit establish the grpc session
 	transitionMap.transitions[DeviceInit] =
 		Transition{
-			previousState: []DeviceState{deviceStateNull},
+			previousState: []DeviceState{deviceStateNull, deviceStateDown},
 			currentState:  deviceStateInit,
 			before:        []TransitionHandler{dh.doStateInit},
 			after:         []TransitionHandler{dh.postInit}}