Introduce EPDG_Tests testsuite

Relted: OS#6204
Change-Id: Iab6f3c7dbcbbf344b0beca9490597c9ab0907171
diff --git a/Makefile b/Makefile
index 0ed632f..51e51ed 100644
--- a/Makefile
+++ b/Makefile
@@ -22,6 +22,7 @@
 	dia2gsup \
 	fr \
 	fr-net \
+	epdg \
 	gbproxy \
 	ggsn_tests \
 	hlr \