pgw: Initial testsuite for a PGW (Packet Gateway in the EPC)

Change-Id: I1c0ea207c9191479fd8f581377855f78f36bc635
diff --git a/Makefile b/Makefile
index 90bbcea..03e7a70 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-SUBDIRS=bsc bsc-nat bts ccid ggsn_tests hlr mgw mme msc pcu remsim sccp selftest sgsn \
+SUBDIRS=bsc bsc-nat bts ccid ggsn_tests hlr mgw mme msc pcu pgw remsim sccp selftest sgsn \
 	simtrace sip stp sysinfo
 
 NPROC=$(shell nproc 2>/dev/null)