ACPICA: MADT: Add RISC-V AIA interrupt controllers

ACPICA commit 5d72bdcbdccbdc1e6d5d2c48b576d8a25d258f60

To be approved.

Link: https://github.com/acpica/acpica/commit/5d72bdcb


Reference: Mantis ID: 2381
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>