Merge commit 'e257d969' of...

Merge commit 'e257d969' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

I think last commits in tag iwlwifi-next-for-kalle-2021-08-26 are not
ready yet so I'm skipping those and pulling an earlier commit. I
modified Luca's description below to not include the skipped commits.

iwlwifi patches for v5.15

* Support scanning hidden 6GHz networks;
* Some improvements in the FW error dumps;
* Add some HE capability flags
* A bunch of janitorial clean-ups;
* Clean-ups in the TX code;
* Small fix for SMPS;
* Support for a new hardware family (Bz);
* Small fix in the scan code;
* A bunch of changes in the D3 code, including new FW API;
* Finalize the refactoring of 6GHz scan;
* Initial changes in the SAR profile code;
* Fix reading one of our ACPI tables (WTAS);
* Support some new ACPI table revisions;
* Support new API of the WoWlan status FW notification;
* Fixes in SAR ACPI tables handling;
* Some debugging improvements;
* Fix in ROC;
* Support for new FW API versions;
* Support new FW command versions;
* Some other small fixes, clean-ups and improvements.