gsm0808: Introduce gsm0808_old_bss_to_new_bss_info_att_tlvdef

Introduce TLV attribute definition for "Old BSS to New BSS Information"
container.

Related: SYS#5337
Change-Id: I0e55e947b6fef6dad0cf1a6c16b781bef4cc76c5
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 56a57b8..3fd01db 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -154,6 +154,7 @@
 gsm0503_mcs9;
 
 gsm0808_att_tlvdef;
+gsm0808_old_bss_to_new_bss_info_att_tlvdef;
 gsm0808_bssap_name;
 gsm0808_bssmap_name;
 gsm0808_cause_name;