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/pylnk3/default.nix

@@ -0,0 +1,39 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytest
+, twine
+, invoke
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pylnk3";
+  version = "0.4.2";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit version;
+    pname = "pylnk3";
+    sha256 = "sha256-yu4BNvYai3iBVNyOfAOsLd5XrcFw8cR4arRyFJHKbpk=";
+  };
+
+   propagatedBuildInputs = [
+     pytest
+     invoke
+  ];
+  # There are no tests in pylnk3.
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "pylnk3"
+  ];
+
+  meta = with lib; {
+    description = "Python library for reading and writing Windows shortcut files (.lnk)";
+    homepage = "https://github.com/strayge/pylnk";
+    license = with licenses; [ lgpl3Only ];
+    maintainers = with maintainers; [ fedx-sudo ];
+  };
+}