Don't copy the MF flag from original IP header to ICMP error message.

PR:		188092
MFC after:	1 week
Sponsored by:	Yandex LLC
Document r263140, removal of IPX.

Sponsored by:	The FreeBSD Foundation
Merge r246607 by benno from projects/uefi

  Use EFI types for EFI values (silences warnings).

EFI UINTN is actually a 64-bit type on 64-bit processors.

Sponsored by:	The FreeBSD Foundation
Don't generate an ICMPv6 error message if packet was consumed by filter.

MFC after:	1 week
Sponsored by:	Yandex LLC
Remove unused label.

MFC after:	1 week
ddb: Minor style cleanups.

#define should be followed by tab.

MFC after:	1 week
Update jemalloc to version 3.6.0.
Turns out name was used here when ACPI_DEBUG was defined, so refine my
previous patch.
Make it possible to have multiple CTL worker threads.  Leave the default
of 1 for now.

Sponsored by:	The FreeBSD Foundation
Hide CTL messages about SCSI error responses.  Too many users take
them for actual target errors.  They can be enabled back by setting
kern.cam.ctl.verbose=1, or booting with bootverbose.

Sponsored by:	The FreeBSD Foundation
Release i2c bus on detach.
Add Cortex-A15 cpu id revisions.
Ensure make xdev respect which compiler is CC
and which compilers should be built according to standard build options