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/python2-modules/pluggy/default.nix

@@ -0,0 +1,34 @@
+{ buildPythonPackage
+, lib
+, fetchPypi
+, setuptools-scm
+, importlib-metadata
+}:
+
+buildPythonPackage rec {
+  pname = "pluggy";
+  version = "0.13.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0";
+  };
+
+  checkPhase = ''
+    py.test
+  '';
+
+  # To prevent infinite recursion with pytest
+  doCheck = false;
+
+  nativeBuildInputs = [ setuptools-scm ];
+
+  propagatedBuildInputs = [ importlib-metadata ];
+
+  meta = {
+    description = "Plugin and hook calling mechanisms for Python";
+    homepage = "https://github.com/pytest-dev/pluggy";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ ];
+  };
+}