MFC r271163, 271196:
Invert AHCI_Q_NOBSYRES quirk meaning, waiting for readiness by default.

I gave up to update list of Marvell chips that require this quirk.
The final nail was growing number of PCIe/M.2 SSDs where Marvell
chips have PCI IDs of different vendors.

Approved by:	re (delphij)
MFC r271362:
Make ctl_port_mask an array to support more then 32 ports.

Overflow reported by Coverity.

CID:		1229894

Approved by:	re (marius)
MFC r271407: Extend UNMAP blacklist on all STEC SSD models.

None of existing STEC devices need UNMAP or even support it well,
having many limitations and even hanging sometimes executing those
commands. New devices that may use UNMAP going to be released under
HGST name.

Approved by:	re (delphij)
MFC	r271149:
Apply known workarounds for less modern MacBooks.

The legacy USB circuit tends to give trouble on older MacBooks.
While the original report covered MacBook4, extend the fix
preemptively for the newer MacBookPro4 too.

PR:		191693
Reviewed by:	emaste
Approved by:	re