VOL-291 : PON simulator refactoring for cluster integration

- Added ponsim build target in Makefile
- Added new option to vcore to select comm type with ponsim
- Modified all proto files to include destination go package

Amendments:

- Clean up based on review comments
- Properly close GRPC connections in ponsim_olt adapter
- Added voltha namespace to some k8s templates

Change-Id: I2f349fa7b3550a8a8cc8fc676cc896f33fbb9372
diff --git a/voltha/protos/bbf_fiber_base.proto b/voltha/protos/bbf_fiber_base.proto
index b7f7689..668a82a 100644
--- a/voltha/protos/bbf_fiber_base.proto
+++ b/voltha/protos/bbf_fiber_base.proto
@@ -1,4 +1,7 @@
 syntax = "proto3";
+
+option go_package = "github.com/opencord/voltha/protos/go/bbf_fiber";
+
 package bbf_fiber;
 
 import public "meta.proto";