Update omci-lib-go to 2.2.0 and use new ME attribute constants instead of strings

Change-Id: If0bee47bede5e02c70f73c6c615bafc55d1389d5
diff --git a/vendor/github.com/opencord/omci-lib-go/v2/generated/trafficdescriptor.go b/vendor/github.com/opencord/omci-lib-go/v2/generated/trafficdescriptor.go
index cf1ccc0..920ba6a 100644
--- a/vendor/github.com/opencord/omci-lib-go/v2/generated/trafficdescriptor.go
+++ b/vendor/github.com/opencord/omci-lib-go/v2/generated/trafficdescriptor.go
@@ -1,13 +1,13 @@
 /*
  * Copyright (c) 2018 - present.  Boling Consulting Solutions (bcsw.net)
  * Copyright 2020-present Open Networking Foundation
-
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
-
+ *
  * http://www.apache.org/licenses/LICENSE-2.0
-
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -155,10 +155,21 @@
 	Attributes AttributeValueMap
 }
 
+// Attribute name constants
+
+const TrafficDescriptor_Cir = "Cir"
+const TrafficDescriptor_Pir = "Pir"
+const TrafficDescriptor_Cbs = "Cbs"
+const TrafficDescriptor_Pbs = "Pbs"
+const TrafficDescriptor_ColourMode = "ColourMode"
+const TrafficDescriptor_IngressColourMarking = "IngressColourMarking"
+const TrafficDescriptor_EgressColourMarking = "EgressColourMarking"
+const TrafficDescriptor_MeterType = "MeterType"
+
 func init() {
 	trafficdescriptorBME = &ManagedEntityDefinition{
 		Name:    "TrafficDescriptor",
-		ClassID: 280,
+		ClassID: TrafficDescriptorClassID,
 		MessageTypes: mapset.NewSetWith(
 			Create,
 			Delete,
@@ -167,15 +178,15 @@
 		),
 		AllowedAttributeMask: 0xff00,
 		AttributeDefinitions: AttributeDefinitionMap{
-			0: Uint16Field("ManagedEntityId", PointerAttributeType, 0x0000, 0, mapset.NewSetWith(Read, SetByCreate), false, false, false, 0),
-			1: Uint32Field("Cir", UnsignedIntegerAttributeType, 0x8000, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 1),
-			2: Uint32Field("Pir", UnsignedIntegerAttributeType, 0x4000, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 2),
-			3: Uint32Field("Cbs", UnsignedIntegerAttributeType, 0x2000, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 3),
-			4: Uint32Field("Pbs", UnsignedIntegerAttributeType, 0x1000, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 4),
-			5: ByteField("ColourMode", EnumerationAttributeType, 0x0800, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 5),
-			6: ByteField("IngressColourMarking", EnumerationAttributeType, 0x0400, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 6),
-			7: ByteField("EgressColourMarking", EnumerationAttributeType, 0x0200, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 7),
-			8: ByteField("MeterType", EnumerationAttributeType, 0x0100, 0, mapset.NewSetWith(Read, SetByCreate), false, true, false, 8),
+			0: Uint16Field(ManagedEntityID, PointerAttributeType, 0x0000, 0, mapset.NewSetWith(Read, SetByCreate), false, false, false, 0),
+			1: Uint32Field(TrafficDescriptor_Cir, UnsignedIntegerAttributeType, 0x8000, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 1),
+			2: Uint32Field(TrafficDescriptor_Pir, UnsignedIntegerAttributeType, 0x4000, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 2),
+			3: Uint32Field(TrafficDescriptor_Cbs, UnsignedIntegerAttributeType, 0x2000, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 3),
+			4: Uint32Field(TrafficDescriptor_Pbs, UnsignedIntegerAttributeType, 0x1000, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 4),
+			5: ByteField(TrafficDescriptor_ColourMode, EnumerationAttributeType, 0x0800, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 5),
+			6: ByteField(TrafficDescriptor_IngressColourMarking, EnumerationAttributeType, 0x0400, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 6),
+			7: ByteField(TrafficDescriptor_EgressColourMarking, EnumerationAttributeType, 0x0200, 0, mapset.NewSetWith(Read, SetByCreate, Write), false, true, false, 7),
+			8: ByteField(TrafficDescriptor_MeterType, EnumerationAttributeType, 0x0100, 0, mapset.NewSetWith(Read, SetByCreate), false, true, false, 8),
 		},
 		Access:  CreatedByOlt,
 		Support: UnknownSupport,