scsi: hisi_sas: Add time interval between two H2D FIS following soft reset spec

Spec says at least 5us between two H2D FIS when do soft reset, but be
generous and sleep for about 1ms.

Signed-off-by: Xingui Yang <yangxingui@huawei.com>
Link: https://lore.kernel.org/r/20241008021822.2617339-11-liyihang9@huawei.com


Reviewed-by: Yihang Li <liyihang9@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>