First batch of iwlwifi updates for v4.16

* Rename the temporary name A000 to 22000;
* Change in the way we print the firmware version;
* Remove some unused code;
* Other small improvements;
iwlwifi: rename the temporary name of A000 to the official 22000

The family name A000 was just a place-holder when we didn't know what
the official name would be yet.  Now we know that the family name is
22000, so rename all occurrences accordingly.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
16 files changed