[sas-1130]sync mainline kernel 5.5rcX sas patchset into ubuntu HWE kernel branch

[Fred Kimmy]

[Bug Description]
sas patchset have merged into mainline 5.5rcX kernel.

[Steps to Reproduce]
1)
2)
3)

[Actual Results]

[Expected Results]

[Reproducibility]

[Additional information]
(Firmware version, kernel version, affected hardware, etc. if required):

[Resolution]
(Now just a placeholder bug)

= UPDATES =
Removed the following patch, as it:
 A) Is already tracked in bug 1854547
 B) Is not local to hisi_sas
 C) Was already upstream in v5.4
scsi: sd: define variable dif as unsigned int instead of bool

Removed the following patches because they are already tracked in bug 1854548:
scsi: hisi_sas: Record the phy down event in debugfs
scsi: hisi_sas: Delete the debugfs folder of hisi_sas when the probe fails
scsi: hisi_sas: Add ability to have multiple debugfs dumps
scsi: hisi_sas: Add module parameter for debugfs dump count
scsi: hisi_sas: Allocate memory for multiple dumps of debugfs
scsi: hisi_sas: Add debugfs file structure for ITCT cache
scsi: hisi_sas: Add debugfs file structure for IOST cache
scsi: hisi_sas: Add debugfs file structure for ITCT
scsi: hisi_sas: Add debugfs file structure for IOST
scsi: hisi_sas: Add debugfs file structure for port
scsi: hisi_sas: Add debugfs file structure for registers
scsi: hisi_sas: Add debugfs file structure for DQ
scsi: hisi_sas: Add debugfs file structure for CQ
scsi: hisi_sas: Add timestamp for a debugfs dump
scsi: hisi_sas: Replace in_softirq() check in hisi_sas_task_exec()
scsi: hisi_sas: use wait_for_completion_timeout() when clearing ITCT
scsi: hisi_sas: Set the BIST init value before enabling BIST
scsi: hisi_sas: Don't create debugfs dump folder twice

Also move the following to bug 1854548:
scsi: hisi_sas: Relocate call to hisi_sas_debugfs_exit()

Removed the following patch because it is a no-op:
scsi: hisi_sas: Stop converting a bool into a bool

Moved to bug 1855952:
scsi: hisi_sas: Check sas_port before using it

Moved to bug 1855958:
scsi: hisi_sas: Return directly if init hardware failed