wireless-drivers-next patches for 4.13

Mostly fixes and cleanups, but iwlwifi and rtlwifi had also some new
features.

Major changes:

iwlwifi

* some changes in suspend/resume handling to support new FWs

* Continued work towards the A000 family

* support for a new version of the TX flush FW API

* remove some noise from the kernel logs

rtlwifi

* more bluetooth coexistance improvements
Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git

ath.git patches for 4.13. Major changes:

Only bugfixes or cleanups, no new features.