To incrementally implement AIA support, we first add minimal skeletal
support which only compiles and detects AIA hardware support at the
boot-time but does not provide any functionality.
Signed-off-by: NAnup Patel <apatel@ventanamicro.com>
Reviewed-by: NAtish Patra <atishp@rivosinc.com>
Reviewed-by: NAndrew Jones <ajones@ventanamicro.com>
Signed-off-by: NAnup Patel <anup@brainfault.org>