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-pierone/default.nix

@@ -0,0 +1,53 @@
+{ lib
+, fetchFromGitHub
+, buildPythonPackage
+, requests
+, stups-cli-support
+, stups-zign
+, pytest
+, pytest-cov
+, hypothesis
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "stups-pierone";
+  version = "1.1.51";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "zalando-stups";
+    repo = "pierone-cli";
+    rev = version;
+    hash = "sha256-OypGYHfiFUfcUndylM2N2WfPnfXXJ4gvWypUbltYAYE=";
+  };
+
+  propagatedBuildInputs = [
+    requests
+    stups-cli-support
+    stups-zign
+  ];
+
+  preCheck = ''
+    export HOME=$TEMPDIR
+  '';
+
+  checkInputs = [
+    pytest
+    pytest-cov
+    hypothesis
+  ];
+
+  pythonImportsCheck = [
+    "pierone"
+  ];
+
+  meta = with lib; {
+    description = "Convenient command line client for STUPS' Pier One Docker registry";
+    homepage = "https://github.com/zalando-stups/pierone-cli";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ mschuwalow ];
+  };
+}