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/versioneer/default.nix

@@ -0,0 +1,33 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "versioneer";
+  version = "0.22";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-nw6aLLXvUhy/0QTUOiCN2RJN+0rM+nLWlODQQwoBQrw=";
+  };
+
+  # Couldn't get tests to work because, for instance, they used virtualenv and
+  # pip.
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "versioneer"
+  ];
+
+  meta = with lib; {
+    description = "Version-string management for VCS-controlled trees";
+    homepage = "https://github.com/warner/python-versioneer";
+    license = licenses.publicDomain;
+    maintainers = with maintainers; [ jluttine ];
+  };
+}