Update to omci-lib-go version 1.15.2

Change-Id: I383f643458f7edac5174408b5b3083afa6c584f6
diff --git a/internal/pkg/onuadaptercore/omci_cc.go b/internal/pkg/onuadaptercore/omci_cc.go
index a21761b..4776796 100644
--- a/internal/pkg/onuadaptercore/omci_cc.go
+++ b/internal/pkg/onuadaptercore/omci_cc.go
@@ -2569,9 +2569,7 @@
 		// DeviceIdentifier: omci.BaselineIdent,		// Optional, defaults to Baseline
 		// Length:           0x28,						// Optional, defaults to 40 octets
 	}
-	//TODO!!!: omci-lib wrongly defines just 29 byte data section (which should be 31 bytes)
-	//  as long as this is valid and testing is done with some dummy image we omit the last two bytes in each section!!!
-	var localSectionData [29]byte
+	var localSectionData [31]byte
 	copy(localSectionData[:], aSection)
 	request := &omci.DownloadSectionRequest{
 		MeBasePacket: omci.MeBasePacket{