forked from Mirrors/opensbi

We add various helper routines to populate domains, iterate domains, iterate domain memregions, and parse HART to domain assignment from the FDT. These helper routines can be used by platform support code and FDT fixup code. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Atish Patra <atish.patra@wdc.com>