Update ACPI build wrappers to use new ACPI-CA code.
* many fixes in ACPI-CA code (see changes.txt for detail)
* enable interpreter slack code
relaxed checking on AML code to get fewer warnings
* use OS implementation of spinlock and cache object:
OSL cache code by:
Jeffrey Hsu <hsu@dragonflybsd.org>
Fix to semaphore and locking code:
Simon 'corecode' Schubert <corecode@fs.ei.tum.de>
* added a few debugging knobs(on make command line):
ACPI_DEBUG_LOCKS=yes to activate debugging code for AcpiOs*Lock()
ACPI_DEBUG_MEMMAP=yes to activate debugging code for AcpiOs*MapMemory()