Update firmware for 3168

* update -22 firmware binaries for iwlwifi device 3168
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Merge tag 'iwlwifi-fw-2017-05-10' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/linux-firmware

Update firmware for 3168

* update -22 firmware binaries for iwlwifi device 3168

WHENCE

@@ -936,7 +936,7 @@ File: iwlwifi-3168-21.ucode
 Version 21.302800.0
 
 File: iwlwifi-3168-22.ucode
-Version 22.361476.0
+Version 22.391740.0
 
 File: iwlwifi-3168-27.ucode
 Version 27.455470.0