uli526x partially recognizing interface

Patch fixes:
    http://bugzilla.kernel.org/show_bug.cgi?id=5839

Init sequence needs to poll phy until phy reset is complete. This is the
same problem that I fixed in 2002 in tulip driver.

Thanks to manty@manty.net for testing this patch.
Thanks to Pozsar Balazs <pozsy@uhulinux.hu> for posting/testing
a similar patch before:
    http://lkml.org/lkml/2006/8/21/45



Signed-off-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>