ACPICA: ACPI 6.4 SRAT: add Generic Port Affinity type

ACPICA commit 777e11b73e60f0eb606cf20142ef634702b09ba1

Add a new subtable type for SRAT Generic Port Affinity.
It uses the same subtable structure as the existing Generic
Initiator Affinity type.

Link: https://github.com/acpica/acpica/commit/777e11b7


Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>