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/pymaven-patch/default.nix

@@ -0,0 +1,44 @@
+{ lib
+, fetchPypi
+, buildPythonPackage
+, pbr
+, requests
+, six
+, lxml
+, pytestCheckHook
+, pytest-cov
+, mock
+}:
+buildPythonPackage rec {
+  pname = "pymaven-patch";
+  version = "0.3.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "d55b29bd4aeef3510904a12885eb6856b5bd48f3e29925a123461429f9ad85c0";
+  };
+
+  propagatedBuildInputs = [
+    pbr
+    requests
+    six
+    lxml
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    pytest-cov
+    mock
+  ];
+
+  pythonImportsCheck = [
+    "pymaven"
+  ];
+
+  meta = with lib; {
+    description = "Python access to maven";
+    homepage = "https://github.com/nexB/pymaven";
+    license = licenses.asl20;
+    maintainers = teams.determinatesystems.members;
+  };
+}