Change goloxi dependency to opencord/goloxi.

Remove explicit length calculation.

Change-Id: Ie3c7643ed0d1e076e85f050d2b3e354b77b9eb0f
diff --git a/internal/pkg/openflow/client.go b/internal/pkg/openflow/client.go
index 3f48e0c..5b44fa4 100644
--- a/internal/pkg/openflow/client.go
+++ b/internal/pkg/openflow/client.go
@@ -22,7 +22,7 @@
 	"sync"
 	"time"
 
-	ofp "github.com/donNewtonAlpha/goloxi/of13"
+	ofp "github.com/opencord/goloxi/of13"
 	"github.com/opencord/ofagent-go/internal/pkg/holder"
 	"github.com/opencord/voltha-lib-go/v3/pkg/log"
 	"github.com/opencord/voltha-protos/v3/go/voltha"