forked from Mirrors/opensbi

We should allow platform support to add more root memory regions before domains are finalized. This will help platform support to protect critical M-mode only resources. This patch adds sbi_domain_root_add_memregion() API for above described purpose. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Xiang W <wxjstz@126.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com>