utils/conv_gen.py: add EDGE MCS 1-9 definitions

Change-Id: Ie1452342f524a8b60f2babc07398a1d9c9e06aa3
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 9eff4d3..a83f92c 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -91,6 +91,21 @@
 gsm0503_tch_ahs_5_9;
 gsm0503_tch_ahs_5_15;
 gsm0503_tch_ahs_4_75;
+gsm0503_mcs1_dl_hdr;
+gsm0503_mcs1_ul_hdr;
+gsm0503_mcs1;
+gsm0503_mcs2;
+gsm0503_mcs3;
+gsm0503_mcs4;
+gsm0503_mcs5_dl_hdr;
+gsm0503_mcs5_ul_hdr;
+gsm0503_mcs5;
+gsm0503_mcs6;
+gsm0503_mcs7_dl_hdr;
+gsm0503_mcs7_ul_hdr;
+gsm0503_mcs7;
+gsm0503_mcs8;
+gsm0503_mcs9;
 
 gsm0808_att_tlvdef;
 gsm0808_bssap_name;