iwlwifi: add updated firmware for 1000 devices

update iwlwifi-1000-5.ucode for 1000 series devices
version: 39.31.5.1

Changlog
 - fix "tid mismatch" issue
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

WHENCE

@@ -693,6 +693,9 @@ Info: v8.24.2.2
 File: iwlwifi-1000-3.ucode
 Info: v128.50.3.1
 
+File: iwlwifi-1000-5.ucode
+Info: v39.31.5.1
+
 File: iwlwifi-6000-4.ucode
 Info: v9.221.4.1