VOL-2111 use voltha-lib-go

Change-Id: I307c3c5648476d9bdc2c855be7d59bd9264665bd
diff --git a/adaptercore/olt_platform.go b/adaptercore/olt_platform.go
index a75c25d..4077e05 100644
--- a/adaptercore/olt_platform.go
+++ b/adaptercore/olt_platform.go
@@ -19,8 +19,8 @@
 
 import (
 	"errors"
-	"github.com/opencord/voltha-go/common/log"
 	"github.com/opencord/voltha-go/rw_core/utils"
+	"github.com/opencord/voltha-lib-go/pkg/log"
 	ofp "github.com/opencord/voltha-protos/go/openflow_13"
 	"github.com/opencord/voltha-protos/go/voltha"
 )