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-detector/default.nix

@@ -0,0 +1,52 @@
+{ lib
+, astroid
+, buildPythonPackage
+, fetchFromGitHub
+, packaging
+, poetry-core
+, poetry-semver
+, pytestCheckHook
+, pythonOlder
+, toml
+}:
+
+buildPythonPackage rec {
+  pname = "requirements-detector";
+  version = "1.0.3";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "landscapeio";
+    repo = pname;
+    rev = version;
+    hash = "sha256-AEXCguf5Q9lU5ygFJUlbc1F637hkQ0wJybbRK7uhB9s=";
+  };
+
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
+  propagatedBuildInputs = [
+    astroid
+    packaging
+    poetry-semver
+    toml
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "requirements_detector"
+  ];
+
+  meta = with lib; {
+    description = "Python tool to find and list requirements of a Python project";
+    homepage = "https://github.com/landscapeio/requirements-detector";
+    license = licenses.mit;
+    maintainers = with maintainers; [ kamadorueda ];
+  };
+}