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/nodeenv/default.nix

@@ -0,0 +1,31 @@
+{ lib, buildPythonPackage, fetchPypi, setuptools, python, which }:
+
+buildPythonPackage rec {
+  pname = "nodeenv";
+  version = "1.6.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "3ef13ff90291ba2a4a7a4ff9a979b63ffdd00a464dbe04acf0ea6471517a4c2b";
+  };
+
+  propagatedBuildInputs = [
+    setuptools
+  ];
+
+  # Tests not included in PyPI tarball
+  doCheck = false;
+
+  preFixup = ''
+    substituteInPlace $out/${python.sitePackages}/nodeenv.py \
+      --replace '["which", candidate]' '["${lib.getBin which}/bin/which", candidate]'
+  '';
+
+  pythonImportsCheck = [ "nodeenv" ];
+
+  meta = with lib; {
+    description = "Node.js virtual environment builder";
+    homepage = "https://github.com/ekalinin/nodeenv";
+    license = licenses.bsd3;
+  };
+}