forked from Mirrors/opensbi

None of the functions modify the passed-in plic_data, so mark it const. Reviewed-by: Anup Patel <anup@brainfault.org> Signed-off-by: Samuel Holland <samuel@sholland.org>
None of the functions modify the passed-in plic_data, so mark it const. Reviewed-by: Anup Patel <anup@brainfault.org> Signed-off-by: Samuel Holland <samuel@sholland.org>