scsi: hisi_sas: some modifications to v2 hw reg init values

This patch includes:
(1) Disable transport layer retry
(2) Support CQ time and count interrupt coal
(3) fix link FIFO full issue

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