[PATCH v4 1/4] riscv: add SBI SSE extension definitions

[Björn Töpel]

Clément Léger <cleger at rivosinc.com> writes:

> Add needed definitions for SBI Supervisor Software Events extension [1].
> This extension enables the SBI to inject events into supervisor software
> much like ARM SDEI.
>
> [1] https://lists.riscv.org/g/tech-prs/message/515
>
> Signed-off-by: Clément Léger <cleger at rivosinc.com>

After you reviewed the checkpatch output, feel free to add:

Reviewed-by: Björn Töpel <bjorn at rivosinc.com>