Change goloxi dependency to opencord/goloxi.

Remove explicit length calculation.

Change-Id: Ie3c7643ed0d1e076e85f050d2b3e354b77b9eb0f
diff --git a/internal/pkg/openflow/utils.go b/internal/pkg/openflow/utils.go
index dac2f22..8745087 100644
--- a/internal/pkg/openflow/utils.go
+++ b/internal/pkg/openflow/utils.go
@@ -18,7 +18,7 @@
 
 import (
 	"fmt"
-	ofp "github.com/donNewtonAlpha/goloxi/of13"
+	ofp "github.com/opencord/goloxi/of13"
 	"github.com/opencord/voltha-protos/v3/go/openflow_13"
 	"strings"
 	"sync"