Omnibook and Satellite linux driver

File Release Notes and Changelog

Release Name: 2.20060921

Notes:
New features:
- Wifi and Bluetooth adapter status and control
Improved features:
- External display status and control
- Hotkeys
New laptops support:
- Initial support for TSM40 class laptops
- Improved support for TSM30X class laptops

Changes:
* The minimal required kernel version is now 2.6.9 (kref API)
* Convert semaphore to mutex with fallback for pre 2.6.16 kernel
* Kill CONFIG_OMNIBOOK_APMEMU and introduce OMNIBOOK_LEGACY:
  pre-ACPI features now depends on it.
  Default enabling of ac and battery features also
  depends on it. It is _disabled_ by default.
* Introduce ACPI methods execution backend: TSM70 needs it
  for Display and Wifi/Bluetooth features
* Expand display and hotkeys features
* Introduce experimental NbSmi backend for TSM40. It is
  based on technical documentation provided by Toshiba.
  Thanks Toshiba !
* Kill unused omnibook_mem_read/write function for mmio
  access
* Cleanup in blank.c fan.c temperature.c
* Unbreak Pio backend: use request/release_region
* Introduce bluetooth and wifi frontend features : they allow
  adapter state querry and control (existence probing, wifi
  kill switch probing and adapter enabling/disabling).
  Supported by TSM30X and TSM40
* Introduce omnibook_backend struct as a uniform way of 
  communication between backend and frontend, this
  kill omnibook_io_{read/write} and friends.
* Modify ombibook_feature struct to incorporate pointers
  to an omnibook_table table and to a omnibook_operation
  struct which is picked-up from the ectype matching
  omnibook_table entry upon feature initialization
* Add muteled resume handler
* Add touchpad handling for TSM30X
* Add proper display handling for TSM30X
* Change all features struct name from foo_feature to
  foo_driver to kept modpost section mismatch detection
  silent. Put tbl, init and exit entries to their relevant
  sections.
* Many bugfix and dock support for TSM40 by Holger Nelson.
* Add DMI Signature for Toshiba Satellite 1700-Series, with ectype 10.
  LCD does not work.
* Add DMI Signature for Toshiba Equium A110, added with
  ectype 1, until implementation of a better backend
* Add DMI Signature for Toshiba _Satellite_ M100, Satellite A70 
  and Tecra S2. added with ectype 12
* Add DMI Signature for Toshiba Tecra S1, added with
  ectype 13