We currently publish the i8254 resources to the pio_bus before the devices
are fully initialized.  Since we hold the pit_lock, its probably not
a real issue.  But lets clean this up anyway.
Reported-by: NAvi Kivity <avi@redhat.com>
Signed-off-by: NGregory Haskins <ghaskins@novell.com>
Acked-by: NChris Wright <chrisw@sous-sol.org>
Signed-off-by: NAvi Kivity <avi@redhat.com>