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/automat/default.nix

@@ -0,0 +1,50 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, attrs
+, m2r
+, pytest-benchmark
+, pytestCheckHook
+, setuptools-scm
+, six
+}:
+
+let automat = buildPythonPackage rec {
+  version = "20.2.0";
+  pname = "automat";
+
+  src = fetchPypi {
+    pname = "Automat";
+    inherit version;
+    sha256 = "7979803c74610e11ef0c0d68a2942b152df52da55336e0c9d58daf1831cbdf33";
+  };
+
+  nativeBuildInputs = [
+    m2r
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    six
+    attrs
+  ];
+
+  checkInputs = [
+    pytest-benchmark
+    pytestCheckHook
+  ];
+
+  # escape infinite recursion with twisted
+  doCheck = false;
+
+  passthru.tests = {
+    check = automat.overridePythonAttrs (_: { doCheck = true; });
+  };
+
+  meta = with lib; {
+    homepage = "https://github.com/glyph/Automat";
+    description = "Self-service finite-state machines for the programmer on the go";
+    license = licenses.mit;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}; in automat