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/pynacl/default.nix

@@ -0,0 +1,54 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchPypi
+, pytestCheckHook
+, pythonOlder
+, libsodium
+, cffi
+, hypothesis
+}:
+
+buildPythonPackage rec {
+  pname = "pynacl";
+  version = "1.5.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit version;
+    pname = "PyNaCl";
+    sha256 = "8ac7448f09ab85811607bdd21ec2464495ac8b7c66d146bf545b0f08fb9220ba";
+  };
+
+  buildInputs = [
+    libsodium
+  ];
+
+  propagatedNativeBuildInputs = [
+    cffi
+  ];
+
+  propagatedBuildInputs = [
+    cffi
+  ];
+
+  checkInputs = [
+    hypothesis
+    pytestCheckHook
+  ];
+
+  SODIUM_INSTALL = "system";
+
+  pythonImportsCheck = [
+    "nacl"
+  ];
+
+  meta = with lib; {
+    description = "Python binding to the Networking and Cryptography (NaCl) library";
+    homepage = "https://github.com/pyca/pynacl/";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ ];
+  };
+}