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/pybtex/default.nix

@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, latexcodec
+, pyyaml
+, setuptools
+}:
+
+buildPythonPackage rec {
+  version = "0.24.0";
+  pname = "pybtex";
+
+  doCheck = false;
+  pythonImportsCheck = [ "pybtex" ];
+
+  propagatedBuildInputs = [
+    latexcodec
+    pyyaml
+    setuptools
+  ];
+
+  src = fetchPypi {
+    inherit version pname;
+    sha256 = "818eae35b61733e5c007c3fcd2cfb75ed1bc8b4173c1f70b56cc4c0802d34755";
+  };
+
+  meta = with lib; {
+    homepage = "https://pybtex.org/";
+    description = "A BibTeX-compatible bibliography processor written in Python";
+    license = licenses.mit;
+  };
+}