ahc(4) clean up old Linux defines

Linux removed theirs starting in 2018 in commit:
"scsi: aic7xxx: Fix build using bare-metal toolchain"

Also remove now-useless sys/cdefs.h includes

Signed-off-by: HP van Braam <hp@tmm.cx>
Reviewed by: imp, mav, emaste
Pull Request: https://github.com/freebsd/freebsd-src/pull/1189

sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

ahc/ahd: Remove unused devclass arguments to DRIVER_MODULE.

aic7xxx: clean up empty lines in .c and .h files

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Correct misleading bootverbose output: ahc_isa_probe -> ahc_isa_identify

Remove comments about creating DMA tags as children of the DMA tags of their
parent bus where the code has now been modified to do so.

Reviewed by: scottl

A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.

- Import the HEAD csup code which is the basis for the cvsmode work.

add a newbus method for obtaining the bus's bus_dma_tag_t... This is
required by arches like sparc64 (not yet implemented) and sun4v where there
are seperate IOMMU's for each PCI bus... For all other arches, it will
end up returning NULL, which makes it a no-op...

Convert a few drivers (the ones we've been working w/ on sun4v) to the
new convection... Eventually all drivers will need to replace the parent
tag of NULL, w/ bus_get_dma_tag(dev), though dev is usually different for
each driver, and will require hand inspection...

Reviewed by: scottl (earlier version)

Start each of the license/copyright comments with /*-, minor shuffle of lines

Skip probe attempts for ISA PnP devices.

Pointed out by: imp

Correct a typo in a comment: alloated->allocated

Reported by: Jens Schweikhardt <schweikh@schweikhardt.net>

Initialize iobase from the resource allocated by bus_alloc_resource_any()
rather than with isa_get_port(). This value is only used in diagnostics,
but the value we want to print is the value in our resource, not in any
hint.

Remove ISA attachments dependence on eisaconf.h

Noticed by: Takahashi Yoshihiro <nyan@jp.FreeBSD.org>

Add ISA attachement files for the aic7xxx driver.

Approved by: re
Reminded by: obrien