iwlwifi: update driver from upstream

This is a combined versions of updates of the iwlwifi driver based
on wireless-testing
(wt-2023-05-11) 711dca0ca3d77414f8f346e564e9c8640147f40d (after v6.4-rc1).
(wt-2023-06-09) 7bd20e011626ccc3ad53e57873452b1716fcfaaa (after v6.4-rc5).
(wt-2023-07-24) 62e409149b62a285e89018e49b2e115757fb9022 (after v6.5-rc3).

Sponsored by: The FreeBSD Foundation
MFC after: 20 days

iwlwifi: rtw88: rtw89: fix gcc warnings

Fix -Wno-format and unused variables warnings with gcc by adopting
(to|the) FreeBSD-specific code.

Reported by: jhb
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
Reviewed by: jhb
Differential Revision: https://reviews.freebsd.org/D39673

LinuxKPI 802.11/iwlwifi/rtw88: update KPI

Upgrade the argument of (*bss_info_changed) mac80211 ops function call
from 32 to 64 bit.
Add an extra argument to ieee80211_beacon_get_template().

Both changes are needed in order to keep other out-of-tree drivers in
synch and to move forward.

The driver changes were extracted from Linux wireless-testing
7b7090b4c6a906cc7c3e2a460335f705b93f4506 and
6e8912a503759bb8f1f01c5b761d0d45815fa6de.

Sponsored by: The FreBSD Foundation
MFC after: 1 week

iwlwifi: update from iwlwifi-next

Import new code from iwlwifi-next at cb0a1fb7fd86b0062692b5056ca8552906509512
(matching tag: iwlwifi-next-for-kalle-2022-02-18).

Also add files not previously imported because we are not yet compiling
them to ease updating and having them when needed.

This adds MEI (Management Engine) support upstream which we cannot import
(currently GPL-only) so we have stub functions for the missing bits.

This also reduces the diff to upstream. Changes submitted to avoid
problems with const and with void * arithmetics were merged.

In the module build Makefile disable CONFIG_IWLWIFI_OPMODE_MODULAR
as we are building iwlwifi as a single module.

Sponsored by: The FreeBSD Foundation
MFC after: 3 days

iwlwifi: import Intel's iwlwifi/mvm driver.

Over the past few months we published multiple snapshots for this
Linux derived driver and it has become fairly stable in terms of
minimal local changes needed for new updates.

The current version is based on iwlwifi-next update at
cbaa6aeedee5f92dafa5982eceea2a1f98ce4f7d with the addition of
a hand full of files replaced for FreeBSD.

Given the lack of full license texts on non-local files this is
imported under the draft policy for handling SPDX files (D29226). [1]

Do not yet hook this to the build until the remaining compat code
is all in. Along with the firmware import this will make publishing
the last bits and final testing a lot easier.

Sponsored by: The FreeBSD Foundation
Approved by: core (imp) [1]
MFC after: 10 days