Report this change in the stack driver code, to keep consistent
code.
TODO: Implement NET_STACK_CONTROL_NET_MODULE in net_server_driver.c too!
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5163 a95241bf-73f2-0310-859d-f6bbb57e9c96
Also added header for PPPoE support in ethernet module.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5115 a95241bf-73f2-0310-859d-f6bbb57e9c96