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/pywbem/default.nix

@@ -0,0 +1,47 @@
+{ lib, buildPythonPackage, fetchPypi, libxml2
+, m2crypto, ply, pyyaml, six, pbr, pythonOlder, nocasedict, nocaselist, yamlloader, requests-mock
+, httpretty, lxml, mock, pytest, requests, decorator, unittest2
+, FormEncode, testfixtures, pytz
+}:
+
+buildPythonPackage rec {
+  pname = "pywbem";
+  version = "1.4.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-rYu75Kt+eVciwPJ/JlbJL8Zzp+BqFM0VGlDwMGRU0X4=";
+  };
+
+  propagatedBuildInputs = [
+    mock
+    nocasedict
+    nocaselist
+    pbr
+    ply
+    pyyaml
+    six
+    yamlloader
+  ] ++ lib.optionals (pythonOlder "3.0") [ m2crypto ];
+
+  checkInputs = [
+    decorator
+    FormEncode
+    httpretty
+    libxml2
+    lxml
+    pytest
+    pytz
+    requests
+    requests-mock
+    testfixtures
+    unittest2
+  ];
+
+  meta = with lib; {
+    description = "Support for the WBEM standard for systems management";
+    homepage = "https://pywbem.github.io";
+    license = licenses.lgpl21Plus;
+    maintainers = with maintainers; [ peterhoeg ];
+  };
+}