[ltp] kernel work on ACPI objects for SATA/PATA

[Henrique de Moraes Holschuh]

Refer to:
http://lwn.net/Articles/173039/

It is still very early work, but this is the kind of thing that could
enhance ThinkPad support (or break it), so we should probably help Randy
Dunlap as much as we can.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh