[VOL-4292] OpenOLT Adapter changes for gRPC migration

Change-Id: I5af2125f2c2f53ffc78c474a94314bba408f8bae
diff --git a/internal/pkg/core/common.go b/internal/pkg/core/common.go
index 28cf77e..f7df7a0 100644
--- a/internal/pkg/core/common.go
+++ b/internal/pkg/core/common.go
@@ -18,7 +18,7 @@
 package core
 
 import (
-	"github.com/opencord/voltha-lib-go/v6/pkg/log"
+	"github.com/opencord/voltha-lib-go/v7/pkg/log"
 )
 
 var logger log.CLogger