when the device is probed, so a change
in the name of the device will not be reflected in the name of the
proc file giving problems when identifying and removing the adapter.
The slot number is a property that does not change through the life
of the adapter so we use that instead.

Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
½