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/bcrypt/default.nix

@@ -0,0 +1,51 @@
+{ lib
+, buildPythonPackage
+, setuptools
+, isPyPy
+, fetchPypi
+, pythonOlder
+, cffi
+, pytestCheckHook
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "bcrypt";
+  version = "3.2.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "5b93c1726e50a93a033c36e5ca7fdcd29a5c7395af50a6892f5d9e7c6cfbfb29";
+  };
+
+  nativeBuildInputs = [
+    setuptools
+  ];
+
+  propagatedBuildInputs = [
+    six
+    cffi
+  ];
+
+  propagatedNativeBuildInputs = [
+    cffi
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "bcrypt"
+  ];
+
+  meta = with lib; {
+    description = "Modern password hashing for your software and your servers";
+    homepage = "https://github.com/pyca/bcrypt/";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ domenkozar ];
+  };
+}