ACPICA: ACPI 6.3: SRAT: add Generic Affinity Structure subtable

ACPICA commit 8c9eba7811a939a387d93d6c2a572d0887e64f2c

Link: https://github.com/acpica/acpica/commit/8c9eba78


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