kernel: 4.2.1 -> 4.2.2

pkgs/os-specific/linux/kernel/linux-4.2.nix

···
 { stdenv, fetchurl, perl, buildLinux, ... } @ args:
 
 import ./generic.nix (args // rec {
-  version = "4.2.1";
+  version = "4.2.2";
   extraMeta.branch = "4.2";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "1b4dpf3rhr1sb1hpz4qx3h1swlcr1xnbrh6sjybqmj2c6szkbpvz";
+    sha256 = "0k5nda60jla02n7ghhma7klkfklh008d1cpf684fp82cywbp5g1f";
   };
 
   features.iwlwifi = true;