[VOL-2782] Update go.mod of voltha-go,open-olt-adapter,ofagent-go and voltctl to be compatible with latest version of voltha-lig-go

Change-Id: Idd1a36b6059927af9a4f3c12581663d587a19176
diff --git a/cmd/openolt-adapter/main.go b/cmd/openolt-adapter/main.go
index 79ce363..318ca7f 100644
--- a/cmd/openolt-adapter/main.go
+++ b/cmd/openolt-adapter/main.go
@@ -102,7 +102,7 @@
 
 	// Setup Log Config
 	cm := conf.NewConfigManager(a.kvClient, a.config.KVStoreType, a.config.KVStoreHost, a.config.KVStorePort, a.config.KVStoreTimeout)
-	go conf.ProcessLogConfigChange(cm, ctx)
+	go conf.StartLogLevelConfigProcessing(cm, ctx)
 
 	// Setup Kafka Client
 	if a.kafkaClient, err = newKafkaClient("sarama", a.config.KafkaAdapterHost, a.config.KafkaAdapterPort); err != nil {