add BSSMAP-LE coding for Location Services

BSSMAP-LE: add Lb-interface messages between BSC and SMLC:
- Reset
- Reset Acknowledge
- Perform Location Request, possibly containing BSSLAP TA Layer3
- Perform Location Response
- Perform Location Abort
- Connection Oriented Information containing any BSSLAP APDU

Add encoding and decoding tests.

Change-Id: I271e59b794bafc0a7ae0eabbf58918f6d7df431d
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 257c3fa..89d81b3 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -705,6 +705,17 @@
 osmo_nri_ranges_to_str_buf;
 osmo_nri_ranges_to_str_c;
 
+osmo_bssmap_le_msgt_names;
+osmo_bssap_le_enc;
+osmo_bssap_le_dec;
+osmo_lcs_cause_enc;
+osmo_lcs_cause_dec;
+osmo_bssmap_le_ie_enc_location_type;
+osmo_bssmap_le_ie_dec_location_type;
+osmo_bssmap_le_msgt;
+osmo_bssap_le_pdu_to_str_buf;
+osmo_bssap_le_pdu_to_str_c;
+
 osmo_bsslap_enc;
 osmo_bsslap_dec;
 osmo_bsslap_msgt_names;