add some more BS11 specific OML definitions 

diff --git a/src/abis_nm.c b/src/abis_nm.c
index e6230b4..0a4f6bb 100644
--- a/src/abis_nm.c
+++ b/src/abis_nm.c
@@ -287,7 +287,7 @@
 static void fill_nm_channel(struct abis_nm_channel *ch, u_int8_t bts_port,
 		       u_int8_t ts_nr, u_int8_t subslot_nr)
 {
-	ch->attrib = NM_ATT_CHANNEL;
+	ch->attrib = NM_ATT_ABIS_CHANNEL;
 	ch->bts_port = bts_port;
 	ch->timeslot = ts_nr;
 	ch->subslot = subslot_nr;