VOL-1558 Update vendored voltha-go and other items

Result of running dep ensure.  golang openolt now
builds.

Also update dockerfile to used specific alpine version

Change-Id: I1e5407e25bb0636a241a0650d1e44e5df567f44b
diff --git a/vendor/github.com/opencord/voltha-go/adapters/common/adapter_proxy.go b/vendor/github.com/opencord/voltha-go/adapters/common/adapter_proxy.go
index 13b98b0..6c32422 100644
--- a/vendor/github.com/opencord/voltha-go/adapters/common/adapter_proxy.go
+++ b/vendor/github.com/opencord/voltha-go/adapters/common/adapter_proxy.go
@@ -86,9 +86,9 @@
 	}
 
 	// Set up the required rpc arguments
-	topic := kafka.Topic{Name: fromAdapter}
-	replyToTopic := kafka.Topic{Name: toAdapter}
-	rpc := "Process_inter_adapter_message"
+	topic := kafka.Topic{Name: toAdapter}
+	replyToTopic := kafka.Topic{Name: fromAdapter}
+	rpc := "process_inter_adapter_message"
 
 	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &topic, &replyToTopic, true, proxyDeviceId, args...)
 	log.Debugw("inter-adapter-msg-response", log.Fields{"replyTopic": replyToTopic, "success": success})