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

Change-Id: If0bee47bede5e02c70f73c6c615bafc55d1389d5
diff --git a/VERSION b/VERSION
index 3bf213d..5a68790 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.10.4-dev
+1.10.4
\ No newline at end of file