Merge tag 'iwlwifi-for-kalle-2018-11-15' of...

Merge tag 'iwlwifi-for-kalle-2018-11-15' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

First batch of iwlwifi fixes for 4.20

* New FW debugging infrastructure;
* Some more work on 802.11ax;
* Improve support for multiple RF modules with 22000 devices;
* Remove an unused FW parameter;
* Other debugging improvements;