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/setupmeta/default.nix

@@ -0,0 +1,65 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, git
+, mock
+, pep440
+, pytestCheckHook
+, pythonOlder
+, setuptools-scm
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "setupmeta";
+  version = "3.3.2";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "codrsquad";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-kX7S5NSqO1LDRkfBHaNfTjzW+l0Pd+5KvQHiNF3eH/M=";
+  };
+
+  preBuild = ''
+    export PYGRADLE_PROJECT_VERSION=${version};
+  '';
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  checkInputs = [
+    git
+    mock
+    pep440
+    pytestCheckHook
+    six
+  ];
+
+  preCheck = ''
+    unset PYGRADLE_PROJECT_VERSION
+  '';
+
+  disabledTests = [
+    # Tests want to scan site-packages
+    "test_check_dependencies"
+    "test_clean"
+    "test_scenario"
+    "test_git_versioning"
+  ];
+
+  pythonImportsCheck = [
+    "setupmeta"
+  ];
+
+  meta = with lib; {
+    description = "Python module to simplify setup.py files";
+    homepage = "https://github.com/codrsquad/setupmeta";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}