Apparently there is an issue w/ the IBM x440/x445's BIOS's USB
Legacy support. Due to the delay in issuing SMI's across the IOAPICs,
its possible for I/O to ports 60/64 to cause register corruption.

The solution is to disable the BIOS's USB Legacy support early in
boot(via PCI quirks) for x440/x445 systems.

Originally written by Vojtech against SuSE's tree, this patch was then
updated to disable EHCI by Aleksey Gorelov, cleaned up by Pete Zaitcev
for 2.4 and finally tweaked and updated against 2.6 by me.

I've lightly tested this version of the patch, but it differs little
from what Aleksey, Pete and I have been testing for 2.4.
Signed-off-by: John Stultz <jstultz@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>