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/xmlsec/default.nix

@@ -0,0 +1,55 @@
+{ lib
+, fetchPypi
+, buildPythonPackage
+, pytestCheckHook
+, libxslt
+, libxml2
+, libtool
+, pkg-config
+, xmlsec
+, pkgconfig
+, setuptools-scm
+, lxml
+, hypothesis
+}:
+
+buildPythonPackage rec {
+  pname = "xmlsec";
+  version = "1.3.12";
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "2c86ac6ce570c9e04f04da0cd5e7d3db346e4b5b1d006311606368f17c756ef9";
+  };
+
+  # https://github.com/mehcode/python-xmlsec/issues/84#issuecomment-632930116
+  patches = [
+    ./reset-lxml-in-tests.patch
+  ];
+
+  nativeBuildInputs = [ pkg-config pkgconfig setuptools-scm ];
+
+  buildInputs = [ xmlsec libxslt libxml2 libtool ];
+
+  propagatedBuildInputs = [ lxml ];
+
+  checkInputs = [ pytestCheckHook hypothesis ];
+
+  disabledTestPaths = [
+    # Full git clone required for test_doc_examples
+    "tests/test_doc_examples.py"
+    # test_reinitialize_module segfaults python
+    # https://github.com/mehcode/python-xmlsec/issues/203
+    "tests/test_xmlsec.py"
+  ];
+
+  pythonImportsCheck = [ "xmlsec" ];
+
+  meta = with lib; {
+    description = "Python bindings for the XML Security Library";
+    homepage = "https://github.com/mehcode/python-xmlsec";
+    license = licenses.mit;
+    maintainers = with maintainers; [ zhaofengli ];
+  };
+}