convolutional coding for CSD

This patch adds the convolutional code definitions for CSD (circuit
switched data) on TCH/F channels with user bit rates of 2400, 4800, 9600
and 14400 bps.

Related: OS#4396, OS#1572
Change-Id: I412131d7ee2e676402bf8d88394af17c4447b664
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index ebfa42e..21f8e15 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -121,6 +121,10 @@
 gsm0503_cs2_np;
 gsm0503_cs3_np;
 gsm0503_tch_fr;
+gsm0503_tch_f24;
+gsm0503_tch_f48;
+gsm0503_tch_f96;
+gsm0503_tch_f144;
 gsm0503_tch_hr;
 gsm0503_tch_afs_12_2;
 gsm0503_tch_afs_10_2;