ACPI sysfs conversion is not finished yet and
some user space tools still depend on the ACPI proc I/F.

We plan to finish all the sysfs conversion by January 2008
and remove the ACPI proc I/F in July 2008.
Signed-off-by: NZhang Rui <rui.zhang@intel.com>
Signed-off-by: NLen Brown <len.brown@intel.com>