forked from Mirrors/opensbi

The RISC-V AIA specification improves handling of per-HART local interrupts in a backward compatible manner. This patch adds defines for the new RISC-V AIA CSRs. Signed-off-by: Anup Patel <anup.patel@wdc.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Atish Patra <atishp@rivosinc.com>