Move omci to omci-sim lib

Change-Id: I67ebaea57d5cccde3fbc7c531bc537cc812929c9
diff --git a/Makefile b/Makefile
index ba791e9..d73ab70 100644
--- a/Makefile
+++ b/Makefile
@@ -23,6 +23,7 @@
 	go get -v github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
 	go get -v github.com/golang/protobuf/protoc-gen-go
 	go get -v github.com/google/gopacket
+	go get -v github.com/opencord/omci-sim
 
 bbsim: prereq protos/openolt.pb.go dep
 	go build -i -v -o $@