om2k: Add definitions for the TG object

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Change-Id: I6d90554a54baa78f454281a486e4b5e95784fdee
diff --git a/include/osmocom/bsc/abis_om2000.h b/include/osmocom/bsc/abis_om2000.h
index 49e8510..bcdb7fd 100644
--- a/include/osmocom/bsc/abis_om2000.h
+++ b/include/osmocom/bsc/abis_om2000.h
@@ -24,6 +24,7 @@
 
 enum abis_om2k_mo_cls {
 	OM2K_MO_CLS_TRXC			= 0x01,
+	OM2K_MO_CLS_TG				= 0x02,
 	OM2K_MO_CLS_TS				= 0x03,
 	OM2K_MO_CLS_TF				= 0x04,
 	OM2K_MO_CLS_IS				= 0x05,