Introduce fields related to DTAP DLCI

Change-Id: Iec448af02d28e6c5c573e68a0b4a86067ec7e561
diff --git a/src/gsm/gsm0808.c b/src/gsm/gsm0808.c
index 514d7f2..f9f7b58 100644
--- a/src/gsm/gsm0808.c
+++ b/src/gsm/gsm0808.c
@@ -1399,6 +1399,12 @@
 	return &bss_att_tlvdef;
 }
 
+const struct value_string gsm0406_dlci_sapi_names[] = {
+	{ DLCI_SAPI_RR_MM_CC,	"RR/MM/CC" },
+	{ DLCI_SAPI_SMS,	"SMS" },
+	{ 0, NULL }
+};
+
 static const struct value_string gsm0808_msgt_names[] = {
 	{ BSS_MAP_MSG_ASSIGMENT_RQST,		"ASSIGNMENT REQ" },
 	{ BSS_MAP_MSG_ASSIGMENT_COMPLETE,	"ASSIGNMENT COMPL" },