Fix typo.

MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
The USB LED driver for the Dream Cheeky WebMail Notifier.

Reviewed by:	hselasky
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.

MFC after:	1 week
H/W donated by:	I/O Switch
Make it possible to quote names in autofs maps using double quotes.

Note that this is a workaround, not a proper solution.  If you know
lex well, and want to help - please let me know, I'll explain how it
should work.

PR:		192968
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Revert r271159, Mis-patched the tree.

Pointed out by:	kib
Turn two errors, which are possible to trigger only by bugs,
into assertions.

Discussed with:	mav@
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Document initiator-portal netmask support.

MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Merge remote-tracking branch 'freebsd/master' into hardened/current/segvguard