kernel: Sync ACPICA with Intel's version
20140114.
Module changes:
* Improved validation for AcpiInstallGpeBlock.
* Support "references" in ACPI_OBJECT (mainly for testing purposes).
* Improve support for 32/64 bit physical addresses in printf()-like
output.
Utilities changes:
* iasl(8): Fix a fault when using Connection().
* acpiexec(8): Loading local test tables is now optional.
* acpiexec(8): Support for overlapping operation regions.
* acpiexec(8): Add region handler support for PCI_Config and
EC spaces.
* acpiexec(8): New "test" command.
* Update the copyrights for 2014.
For a more detailed list, see sys/contrib/dev/acpica/changes.txt.