define and use enum values for BS11 (or Siemens?) specific OML message types

diff --git a/include/openbsc/abis_nm.h b/include/openbsc/abis_nm.h
index f0bb33c..f374249 100644
--- a/include/openbsc/abis_nm.h
+++ b/include/openbsc/abis_nm.h
@@ -168,6 +168,27 @@
 	NM_MT_SET_ALARM_THRES,
 	NM_MT_SET_ALARM_THRES_ACK,
 	NM_MT_SET_ALARM_THRES_NACK,
+	
+	NM_MT_BS11_RESET_RESOURCE	= 0x74,
+
+	NM_MT_BS11_BEGIN_DB_TX		= 0xa3,
+	NM_MT_BS11_BEGIN_DB_TX_ACK,
+	NM_MT_BS11_BEGIN_DB_TX_NACK,
+	NM_MT_BS11_END_DB_TX		= 0xa6,
+	NM_MT_BS11_END_DB_TX_ACK,
+	NM_MT_BS11_END_DB_TX_NACK,
+	NM_MT_BS11_CREATE_OBJ		= 0xa9,
+	NM_MT_BS11_CREATE_OBJ_ACK,
+	NM_MT_BS11_CREATE_OBJ_NACK,
+	NM_MT_BS11_DELETE_OBJ		= 0xac,
+	NM_MT_BS11_DELETE_OBJ_ACK,
+	NM_MT_BS11_DELETE_OBJ_NACK,
+
+	NM_MT_BS11_DEACT_TRX1		= 0xd0,
+
+	NM_MT_BS11_RESTART		= 0xe7,
+	NM_MT_BS11_DISCONNECT		= 0xe9,
+	NM_MT_BS11_RECONNECT		= 0xf1,
 };
 
 /* Section 9.2: Object Class */
@@ -178,6 +199,8 @@
 	NM_OC_BASEB_TRANSC,
 	NM_OC_CHANNEL,
 	/* RFU: 05-FE */
+	NM_OC_BS11			= 0xa3,
+
 	NM_OC_NULL			= 0xff,
 };