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/flit/default.nix

@@ -0,0 +1,56 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, docutils
+, requests
+, pytestCheckHook
+, testpath
+, responses
+, flit-core
+, tomli
+, tomli-w
+}:
+
+# Flit is actually an application to build universal wheels.
+# It requires Python 3 and should eventually be moved outside of
+# python-packages.nix. When it will be used to build wheels,
+# care should be taken that there is no mingling of PYTHONPATH.
+
+buildPythonPackage rec {
+  pname = "flit";
+  version = "3.7.1";
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "takluyver";
+    repo = "flit";
+    rev = version;
+    sha256 = "sha256-zKgaeK3fskz2TuHvIWlxBrdZIWfIJHhaqopZ3+V36wY=";
+  };
+
+  nativeBuildInputs = [
+    flit-core
+  ];
+
+  propagatedBuildInputs = [
+    docutils
+    requests
+    flit-core
+    tomli
+    tomli-w
+  ];
+
+  checkInputs = [ pytestCheckHook testpath responses ];
+
+  disabledTests = [
+    # needs some ini file.
+    "test_invalid_classifier"
+  ];
+
+  meta = with lib; {
+    description = "A simple packaging tool for simple packages";
+    homepage = "https://github.com/pypa/flit";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ fridh SuperSandro2000 ];
+  };
+}