forked from Mirrors/opensbi

We add sbi_hart_reinit() function which will re-initialize HART CSRs assuming HART features are already detected. This new function will be useful in re-initializing HART after it resumes from HSM SUSPENDED state. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Atish Patra <atish.patra@wdc.com>