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/pyttsx3/default.nix

@@ -0,0 +1,25 @@
+{ stdenv, lib, buildPythonPackage, fetchPypi, espeak-ng }:
+
+buildPythonPackage rec {
+  pname = "pyttsx3";
+  version = "2.90";
+  format = "wheel";
+
+  src = fetchPypi {
+    inherit pname version format;
+    sha256 = "a585b6d8cffc19bd92db1e0ccbd8aa9c6528dd2baa5a47045d6fed542a44aa19";
+    dist = "py3";
+    python = "py3";
+  };
+
+  # This package has no tests
+  doCheck = false;
+
+  meta = with lib; {
+    broken = stdenv.isDarwin;
+    description = "Offline text-to-speech synthesis library";
+    homepage = "https://github.com/nateshmbhat/pyttsx3";
+    license = licenses.mpl20;
+    maintainers = [ maintainers.ethindp ];
+  };
+}