VOL-2153 move flow_utils.go from voltha-go to voltha-lib-go;
release 2.2.6

Based on voltha-go commit ec6e61b6239b955b6e7623ba3b604e8030154773

Change-Id: Id52f3eb1cb4bcade3f0e42da0129b643fdc5b0f9
diff --git a/vendor/github.com/cevaris/ordered_map/Makefile b/vendor/github.com/cevaris/ordered_map/Makefile
new file mode 100644
index 0000000..099e53b
--- /dev/null
+++ b/vendor/github.com/cevaris/ordered_map/Makefile
@@ -0,0 +1,10 @@
+all: build install 
+
+build:
+	go build
+
+install:
+	go install
+
+test:
+	go test -v *.go