VPC - enable passwd server service

There is currently no vpcrouter type defined in patchsystemvm.sh, which
controls our init scripts in the system vms. This patch allows the
services that would normally start on a router to start also on the VPC
router, in particular the password server was missing.

Signed-off-by: Edison Su <sudison@gmail.com>

patches/systemvm/debian/config/opt/cloud/bin/patchsystemvm.sh

@@ -177,7 +177,7 @@ then
    enable_serial_console
 fi
 
-if [ "$TYPE" == "router" ]
+if [ "$TYPE" == "router" ] || [ "$type" == "vpcrouter" ]
 then
   routing_svcs
   if [ $? -gt 0 ]