move package to v2 version as per go requirements after update to version 2.0

Change-Id: Iac4cc56f014f49e7d241357f8b7a5f4f3047bedc
diff --git a/set.go b/set.go
index e3fdb3b..bd94bbc 100644
--- a/set.go
+++ b/set.go
@@ -22,7 +22,7 @@
 	"errors"
 	"fmt"
 	"github.com/google/gopacket"
-	me "github.com/opencord/omci-lib-go/generated"
+	me "github.com/opencord/omci-lib-go/v2/generated"
 )
 
 type SetRequest struct {