ACPICA: IORT: Updates for revision E.b

ACPICA commit 8710a708faed728ea2672b8da842b2e9af1cf5bd

IORT revision E.b (ARM DEN 0049E.b) contains a few additions like,
    -Added an identifier field in the node descriptors to aid table
     cross-referencing.
    -Introduced the Reserved Memory Range(RMR) node. This is used
     to describe memory ranges that are used by endpoints and require
     a unity mapping in SMMU.
    -Introduced a flag in the RC node to express support for PRI.
    -Added a flag in the RC node to declare support for PASID forward
     information.

Please note that IORT Rev E and E.a have known issues and are not
supported.

Link: https://github.com/acpica/acpica/commit/8710a708


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