Moving attributes to Attributes to stisfy OMCI spec and mib template

Change-Id: I81196522708d66cb4d3b2be55f47c906d428670a
diff --git a/internal/pkg/onuadaptercore/mib_sync.go b/internal/pkg/onuadaptercore/mib_sync.go
index f781f9e..bf31079 100644
--- a/internal/pkg/onuadaptercore/mib_sync.go
+++ b/internal/pkg/onuadaptercore/mib_sync.go
@@ -166,7 +166,7 @@
 									logger.Debugw("MibSync FSM - secondLevelKey is a number and a valid EntityId", log.Fields{"meEntityID": meEntityID})
 									thirdLevelMap := secondLevelValue.(map[string]interface{})
 									for thirdLevelKey, thirdLevelValue := range thirdLevelMap {
-										if thirdLevelKey == "attributes" {
+										if thirdLevelKey == "Attributes" {
 											logger.Debugw("MibSync FSM - thirdLevelKey refers to attributes", log.Fields{"thirdLevelKey": thirdLevelKey})
 											attributesMap := thirdLevelValue.(map[string]interface{})
 											logger.Debugw("MibSync FSM - attributesMap", log.Fields{"attributesMap": attributesMap})