alsaTools: 1.1.7 -> 1.2.2

Fixes build regression (after alsa update, I assume).
Despite the version number change, the diff is trivial:
https://git.alsa-project.org/?p=alsa-tools.git;a=log;h=refs/tags/v1.2.2

pkgs/os-specific/linux/alsa-tools/default.nix

···
 
 stdenv.mkDerivation rec {
   pname = "alsa-tools";
-  version = "1.1.7";
+  version = "1.2.2";
 
   src = fetchurl {
     url = "mirror://alsa/tools/${pname}-${version}.tar.bz2";
-    sha256 = "1xjfghr9s0j6n91kgs95cc4r6qrjsgc4yj2w0nir3xpnm0l36950";
+    sha256 = "0jbkjmq038zapj66a7nkppdf644v2mwj581xbmh6k4i8w6mcglxz";
   };
 
   nativeBuildInputs = [ pkgconfig ];