[VOL-2738]Enable configuration of etcd v3 client options

Change-Id: I5dd2aa0072f631b3c47d35108f35ff9982aefe60
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/common.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/common.go
index a5a79ae..1cf2e1c 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/common.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/common.go
@@ -19,16 +19,12 @@
 	"github.com/opencord/voltha-lib-go/v3/pkg/log"
 )
 
-const (
-	logLevel = log.ErrorLevel
-)
-
 var logger log.Logger
 
 func init() {
 	// Setup this package so that it's log level can be modified at run time
 	var err error
-	logger, err = log.AddPackage(log.JSON, logLevel, log.Fields{"pkg": "db"})
+	logger, err = log.AddPackage(log.JSON, log.ErrorLevel, log.Fields{"pkg": "db"})
 	if err != nil {
 		panic(err)
 	}