hnodeb: Add gtp SAPI

Change-Id: Ie4de00641089abbd03273ce5a2d9325659ac7d42
diff --git a/hnodeb/regen_makefile.sh b/hnodeb/regen_makefile.sh
index 2d13504..10f5c21 100755
--- a/hnodeb/regen_makefile.sh
+++ b/hnodeb/regen_makefile.sh
@@ -25,6 +25,9 @@
 	HNBAP_EncDec.cc
 	RUA_EncDec.cc
 	UD_PT.cc
+	GTPC_EncDec.cc
+	GTPU_EncDec.cc
+	GTP_CodecPort_CtrlFunctDef.cc
 "
 
 export CPPFLAGS_TTCN3="