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

Change-Id: If0bee47bede5e02c70f73c6c615bafc55d1389d5
diff --git a/internal/common/omci/set.go b/internal/common/omci/set.go
index 3313767..5713bf5 100644
--- a/internal/common/omci/set.go
+++ b/internal/common/omci/set.go
@@ -18,6 +18,7 @@
 
 import (
 	"errors"
+
 	"github.com/google/gopacket"
 	"github.com/opencord/omci-lib-go/v2"
 	me "github.com/opencord/omci-lib-go/v2/generated"