[VOL-3141] Enhance Context with OpenTracing Span

Change-Id: I966e235ec5fcb70812f75b98a97aa65dba8c04a2
diff --git a/cmd/openolt-adapter/main.go b/cmd/openolt-adapter/main.go
index 14c47d2..ee41299 100644
--- a/cmd/openolt-adapter/main.go
+++ b/cmd/openolt-adapter/main.go
@@ -395,7 +395,7 @@
 	deviceTypes := &voltha.DeviceTypes{Items: types}
 	count := 0
 	for {
-		if err := a.coreProxy.RegisterAdapter(context.TODO(), adapterDescription, deviceTypes); err != nil {
+		if err := a.coreProxy.RegisterAdapter(log.WithSpanFromContext(context.TODO(), ctx), adapterDescription, deviceTypes); err != nil {
 			logger.Warnw(ctx, "registering-with-core-failed", log.Fields{"error": err})
 			if retries == count {
 				return err