Tweak configure_for_func_testing to work on OpenSUSE

Ensure OpenSUSE is supported as a platform when installing
packages. Signal also that the configuration is completed
successfully. That's friendly when the script is invoked
manually.

Change-Id: Id9489ecbbacaf7b98a022e7fbdd9cddae3a4c398

tools/configure_for_func_testing.sh

@@ -233,6 +233,9 @@ function _install_post_devstack {
     elif is_fedora; then
         install_package dhclient
         install_package nmap-ncat
+    elif is_suse; then
+        install_package dhcp-client
+        install_package ncat
     else
         exit_distro_not_supported "installing dhclient and ncat packages"
     fi
@@ -290,3 +293,5 @@ if [[ "$VENV" =~ "dsvm-fullstack" ]]; then
     _configure_iptables_rules
     sudo modprobe ip_conntrack_proto_sctp
 fi
+
+echo "Phew, we're done!"