extend osmo_sysinfo_type with missing SYSINFO_TYPE

The list should now be complete up to Releae 14

Change-Id: I693cabe1a3b00a8c4198f7a4a1c647c5d7dc6c41
diff --git a/include/osmocom/gsm/sysinfo.h b/include/osmocom/gsm/sysinfo.h
index 8e26f99..11bb268 100644
--- a/include/osmocom/gsm/sysinfo.h
+++ b/include/osmocom/gsm/sysinfo.h
@@ -36,7 +36,12 @@
 	SYSINFO_TYPE_5ter,
 	SYSINFO_TYPE_EMO,
 	SYSINFO_TYPE_MEAS_INFO,
-	/* FIXME all the various bis and ter */
+	SYSINFO_TYPE_13alt,
+	SYSINFO_TYPE_15,
+	SYSINFO_TYPE_2n,
+	SYSINFO_TYPE_21,
+	SYSINFO_TYPE_22,
+	SYSINFO_TYPE_23,
 	_MAX_SYSINFO_TYPE
 };