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/build/default.nix

@@ -0,0 +1,87 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchFromGitHub
+, filelock
+, flit-core
+, importlib-metadata
+, packaging
+, pep517
+, pytest-mock
+, pytest-rerunfailures
+, pytest-xdist
+, pytestCheckHook
+, pythonOlder
+, toml
+, tomli
+}:
+
+buildPythonPackage rec {
+  pname = "build";
+  version = "0.8.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "pypa";
+    repo = pname;
+    rev = version;
+    hash = "sha256-P0DFBYsL2Ce/JwfYss64+CY/IvzYZEiz9wuEslij+oU=";
+  };
+
+  nativeBuildInputs = [
+    flit-core
+  ];
+
+  propagatedBuildInputs = [
+    packaging
+    pep517
+    tomli
+  ] ++ lib.optionals (pythonOlder "3.8") [
+    importlib-metadata
+  ];
+
+  checkInputs = [
+    filelock
+    toml
+    pytest-mock
+    pytest-rerunfailures
+    pytest-xdist
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [
+    "-W"
+    "ignore::DeprecationWarning"
+  ];
+
+  disabledTests = [
+    # Tests often fail with StopIteration
+    "test_isolat"
+    "test_default_pip_is_never_too_old"
+    "test_build"
+    "test_with_get_requires"
+    "test_init"
+    "test_output"
+    "test_wheel_metadata"
+  ] ++ lib.optionals stdenv.isDarwin [
+    # Expects Apple's Python and its quirks
+    "test_can_get_venv_paths_with_conflicting_default_scheme"
+  ];
+
+  pythonImportsCheck = [
+    "build"
+  ];
+
+  meta = with lib; {
+    description = "Simple, correct PEP517 package builder";
+    longDescription = ''
+      build will invoke the PEP 517 hooks to build a distribution package. It
+      is a simple build tool and does not perform any dependency management.
+    '';
+    homepage = "https://github.com/pypa/build";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}