The vme_driver structure currently has a "node" entry. This entry is
never used and it's intended purpose has been lost to the mists of time.

Remove the entry from vme_driver to avoid confusion.
Signed-off-by: NMartyn Welch <martyn.welch@collabora.co.uk>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>