The last core who performs the system suspend is responsible for
restoring the system after waking up. Add the system_resume callback for
restoring the system from suspend.
Suggested-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Nick Hu <nick.hu@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20251020-cache-upstream-v7-11-69a132447d8a@sifive.com
Signed-off-by: Anup Patel <anup@brainfault.org>