VOL-2111 use voltha-lib-go

Change-Id: I307c3c5648476d9bdc2c855be7d59bd9264665bd
diff --git a/config/config.go b/config/config.go
index 5850a03..ad81762 100644
--- a/config/config.go
+++ b/config/config.go
@@ -20,7 +20,7 @@
 import (
 	"flag"
 	"fmt"
-	"github.com/opencord/voltha-go/common/log"
+	"github.com/opencord/voltha-lib-go/pkg/log"
 	"os"
 )