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/requirements-parser/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, poetry-core
+, pytestCheckHook
+, pythonOlder
+, types-setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "requirements-parser";
+  version = "0.5.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "madpah";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-e2dfVBMh1uGRMDw7OdPefO4/eRxc3BGwvy/D7u5ipkk=";
+  };
+
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
+  propagatedBuildInputs = [
+    types-setuptools
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "requirements"
+  ];
+
+  meta = with lib; {
+    description = "Pip requirements file parser";
+    homepage = "https://github.com/davidfischer/requirements-parser";
+    license = licenses.bsd2;
+    maintainers = teams.determinatesystems.members;
+  };
+}