ACPICA: AEST: Add support for the AEST V2 table

ACPICA commit ebb49799c78891cbe370f1264844664a3d8b6f35

AEST V2 was published[1], add V2 support based on AEST V1.

[1]: https://developer.arm.com/documentation/den0085/latest/

Link: https://github.com/acpica/acpica/commit/ebb4979


Signed-off-by: Ruidong Tian <tianruidong@linux.alibaba.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>