scsi: hisi_sas: modify hisi_sas_dev_gone() for reset

Do a couple of changes for when HISI_SAS_RESET_BIT is set for HBA:

 - Clearing ITCT is not necessary

 - Remove internal abort as it will fail during reset

Flag sas_dev->dev_type is kept as SAS_PHY_UNUSED.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>