[VOL-4290] Voltha go library updates for gRPC migration

Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/vendor/github.com/Shopify/sarama/describe_configs_request.go b/vendor/github.com/Shopify/sarama/describe_configs_request.go
index ccb587b..4c34880 100644
--- a/vendor/github.com/Shopify/sarama/describe_configs_request.go
+++ b/vendor/github.com/Shopify/sarama/describe_configs_request.go
@@ -61,7 +61,6 @@
 		r.Resources[i].Name = name
 
 		confLength, err := pd.getArrayLength()
-
 		if err != nil {
 			return err
 		}
@@ -100,6 +99,10 @@
 	return r.Version
 }
 
+func (r *DescribeConfigsRequest) headerVersion() int16 {
+	return 1
+}
+
 func (r *DescribeConfigsRequest) requiredVersion() KafkaVersion {
 	switch r.Version {
 	case 1: