forked from Mirrors/opensbi

The hotplug cpu should clear the fwft config's SBI_FWFT_SET_FLAG_LOCK in the warm boot flow otherwise the cpu can't set the menvcfg.sse by SBI_EXT_FWFT_SET sbi call and cause the illegal instruction when accessing the CSR_SSP in kernel. Signed-off-by: Nick Hu <nick.hu@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org>