uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/python-modules/trueskill/default.nix

@@ -0,0 +1,28 @@
+{ lib, buildPythonPackage, fetchPypi
+, six }:
+
+buildPythonPackage rec {
+  pname = "trueskill";
+  version = "0.4.5";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1fv7g1szyjykja9mzax2w4js7jm2z7wwzgnr5dqrsdi84j6v8qlx";
+  };
+
+  propagatedBuildInputs = [
+    six
+  ];
+
+  # Can't build distribute, see https://github.com/NixOS/nixpkgs/pull/49340
+  doCheck = false;
+
+  meta = with lib; {
+    description = "The video game rating system";
+    homepage = "https://trueskill.org";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [
+      eadwu
+    ];
+  };
+}