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/stups-tokens/default.nix

@@ -0,0 +1,39 @@
+{ lib
+, fetchFromGitHub
+, buildPythonPackage
+, requests
+, mock
+, pytest
+, pytest-cov
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  pname = "stups-tokens";
+  version = "1.1.19";
+  disabled = !isPy3k;
+
+  src = fetchFromGitHub {
+    owner = "zalando-stups";
+    repo = "python-tokens";
+    rev = version;
+    sha256 = "09z3l3xzdlwpivbi141gk1k0zd9m75mjwbdy81zc386rr9k8s0im";
+  };
+
+  propagatedBuildInputs = [
+    requests
+  ];
+
+  checkInputs = [
+    mock
+    pytest
+    pytest-cov
+  ];
+
+  meta = with lib; {
+    description = "A Python library that keeps OAuth 2.0 service access tokens in memory for your usage.";
+    homepage = "https://github.com/zalando-stups/python-tokens";
+    license = licenses.asl20;
+    maintainers = [ maintainers.mschuwalow ];
+  };
+}