Added sample configuration file for SDN-IP

Change-Id: Id6ad3dd86af311056e8a24ca1ab3b5f900d14051
diff --git a/tools/package/etc/samples/org.onosproject.routing.bgp.BgpSessionManager.cfg b/tools/package/etc/samples/org.onosproject.routing.bgp.BgpSessionManager.cfg
new file mode 100644
index 0000000..fbcc13f
--- /dev/null
+++ b/tools/package/etc/samples/org.onosproject.routing.bgp.BgpSessionManager.cfg
@@ -0,0 +1,8 @@
+#
+# Sample configuration for onos-app-sdnip.
+#
+
+#
+# The port number that SDN-IP listens for incoming BGP connections on.
+#
+# bgpPort=2000
\ No newline at end of file