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/openstacksdk/default.nix

@@ -0,0 +1,64 @@
+{ lib
+, buildPythonPackage
+, callPackage
+, fetchPypi
+, appdirs
+, cryptography
+, dogpile-cache
+, jmespath
+, jsonpatch
+, keystoneauth1
+, munch
+, netifaces
+, os-service-types
+, pbr
+, pythonOlder
+, pyyaml
+, requestsexceptions
+}:
+
+buildPythonPackage rec {
+  pname = "openstacksdk";
+  version = "0.99.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-P3PDzCgInpOzQut/NIsoX1pl/+UFiYvhXbJQx1u4Ves=";
+  };
+
+  propagatedBuildInputs = [
+    appdirs
+    cryptography
+    dogpile-cache
+    jmespath
+    jsonpatch
+    keystoneauth1
+    munch
+    netifaces
+    os-service-types
+    pbr
+    requestsexceptions
+    pyyaml
+  ];
+
+  # Checks moved to 'passthru.tests' to workaround slowness
+  doCheck = false;
+
+  passthru.tests = {
+    tests = callPackage ./tests.nix { };
+  };
+
+  pythonImportsCheck = [
+    "openstack"
+  ];
+
+  meta = with lib; {
+    description = "An SDK for building applications to work with OpenStack";
+    homepage = "https://github.com/openstack/openstacksdk";
+    license = licenses.asl20;
+    maintainers = teams.openstack.members;
+  };
+}