[PATCH] sis190: complete the mii probe before registering the netdevice

The userspace must not be able to issue ethtool command and manage the
mii before it is completely initialized. Avoid some pesky "eth%d" messages.

Signed-off-by: Arnaud Patard <apatard@mandriva.com>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>