Merge tag 'iwlwifi-for-kalle-2019-04-03' of...

Merge tag 'iwlwifi-for-kalle-2019-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes

Second batch of iwlwifi fixes intended for v5.1

* fix for a potential deadlock in the TX path;
* a fix for offloaded rate-control;
* support new PCI HW IDs which use a new FW;