ACPICA: ACPI 6.4: add support for PHAT table

ACPICA commit de805b6a355c01f3aff4044a4ba60e9845b7668c

This table displays health information about the platform firmware. For
full definition, see the ACPI specification.

Link: https://github.com/acpica/acpica/commit/de805b6a


Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>