LinuxKPI wlan drivers: update makefiles to not use WITH_

Up to now the LinuxKPI wlan drivers were using local variables starting
with a WITH_ prefix in their Makefiles.
That is likely to collide wit

LinuxKPI wlan drivers: update makefiles to not use WITH_

Up to now the LinuxKPI wlan drivers were using local variables starting
with a WITH_ prefix in their Makefiles.
That is likely to collide with other mechanisms like WITH_ and WITHOUT_
from src.conf.
Adjust the local variables to use a driver name prefix for now to control
what is built and what is not.
These variables are mainly for the time of development so we can
turn off/on a feature or bus attachment while working on it. Otherwise
they are there for documentation purposes. The only reason one would
change them locally would be if someone was to build a very custom
image and not want certain bits (e.g., USB support) being compiled into
the modules.

While here, try to harmonize some parts of the Makefiles.

Suggested by: imp
Discussed with: imp
Reviewed by: imp
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D55977

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mt76: module Makefiles fix .PATH

The common Makefile.inc had the .PATH set for the common code.
That .PATH is only needed for the mt76_core module, which shares
code for all other drivers. We leave

mt76: module Makefiles fix .PATH

The common Makefile.inc had the .PATH set for the common code.
That .PATH is only needed for the mt76_core module, which shares
code for all other drivers. We leave the COMMONDIR variable defined
in Makefile.inc as we need it for CFLAGS+= -I for each driver but
migrate the .PATH to avoid drivers picking up the wrong files.

Sponsored by: The FreeBSD Foundation
MFC after: 3 days

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mt76: sort bus attachments in module Makefiles for pci and usb

With PCI enabled and USB still disabled add knobs to (i) enabled
them manually in the common Makefile.inc and (ii) add bus
attachment d

mt76: sort bus attachments in module Makefiles for pci and usb

With PCI enabled and USB still disabled add knobs to (i) enabled
them manually in the common Makefile.inc and (ii) add bus
attachment depend knobs where needed to enable them in individual
drivers. For now the focus is in 7921 and 7925.

Sponsored by: The FreeBSD Foundation
MFC atfer: 3 days

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mt76: update Mediatek's mt76 driver

This version is based on
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
38fec10eb60d687e30c8c6b5420d86e8149f7557 ( tag: v6.14 ).

Sponsored by: The

mt76: update Mediatek's mt76 driver

This version is based on
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
38fec10eb60d687e30c8c6b5420d86e8149f7557 ( tag: v6.14 ).

Sponsored by: The FreeBSD Foundation

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Remove residual blank line at start of Makefile

This is a residual of the $FreeBSD$ removal.

MFC After: 3 days (though I'll just run the command on the branches)
Sponsored by: Netflix

mt76: update driver from upstream

This is a set of updates of the mt76 driver based on wireless-testing
(wt-2023-05-11) 711dca0ca3d77414f8f346e564e9c8640147f40d (after v6.4-rc1),
This adds support

mt76: update driver from upstream

This is a set of updates of the mt76 driver based on wireless-testing
(wt-2023-05-11) 711dca0ca3d77414f8f346e564e9c8640147f40d (after v6.4-rc1),
This adds support for mt7996 as well.
(wt-2023-06-09) 7bd20e011626ccc3ad53e57873452b1716fcfaaa (after v6.4-rc5),
(wt-2023-07-24) 62e409149b62a285e89018e49b2e115757fb9022 (after v6.5-rc3),
(wt-2023-08-06) 2a220a15be657a24868368892e3e2caba2115283 (after v6.5-rc4).

The current version of LinuxKPI lacks support for "page pool" which
needs enhancing and updating a decade or so old shortcut mapping
struct page directly to struct vm_page.

MFC after: 20 days

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sys: Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

mt76: add module build framework and man pages

Add framework to build if_mt7915 and if_mt7921 with LinuxKPI
as well as initial man pages for the two mt76 chipset drivers.

MFC after: 2 months