staging/vme/vme_user: use __dev{init, exit} for .probe and .remove

Signed-off-by: Emilio G. Cota <cota@braap.org>
[martyn.welch@ge.com: Fixed checkpatch line length warnings]
Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>