ACPICA: Update version to 20151218

ACPICA commit e81cedadd3a847d40f30bc9c52dfe441620ed12f

Version 20151218.

Link: https://github.com/acpica/acpica/commit/e81cedad
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
1 file changed