gsup: Add PCO IE

This commit adds a new file PCO_Types.ttcn which allows generically
encoding decoding PCOs.

Change-Id: I9a1ae74712d6e8e0cd524ccd7fc2529b1a15dd97
diff --git a/sgsn/gen_links.sh b/sgsn/gen_links.sh
index afe6b02..3aa2d38 100755
--- a/sgsn/gen_links.sh
+++ b/sgsn/gen_links.sh
@@ -92,7 +92,7 @@
 FILES+="RAN_Emulation.ttcnpp RAN_Adapter.ttcnpp SCCP_Templates.ttcn "
 # IPA_Emulation + dependencies
 FILES+="IPA_Types.ttcn IPA_Emulation.ttcnpp IPA_CodecPort.ttcn IPA_CodecPort_CtrlFunct.ttcn IPA_CodecPort_CtrlFunctDef.cc Native_Functions.ttcn Native_FunctionDefs.cc "
-FILES+="GSUP_Types.ttcn GSUP_Templates.ttcn GSUP_Emulation.ttcn "
+FILES+="PCO_Types.ttcn GSUP_Types.ttcn GSUP_Templates.ttcn GSUP_Emulation.ttcn "
 FILES+="GTP_CodecPort.ttcn GTP_CodecPort_CtrlFunct.ttcn GTP_CodecPort_CtrlFunctDef.cc GTP_Emulation.ttcn GTP_Templates.ttcn IPCP_Types.ttcn RAW_NS.ttcnpp "
 gen_links $DIR $FILES