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/logical-unification/default.nix

@@ -0,0 +1,48 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, toolz
+, multipledispatch
+, pytestCheckHook
+, pytest-html
+, pytest-benchmark
+}:
+
+buildPythonPackage rec {
+  pname = "logical-unification";
+  version = "0.4.5";
+
+  src = fetchFromGitHub {
+    owner = "pythological";
+    repo = "unification";
+    rev = "707cf4a39e27a4a8bf06b7e7dce7223085574e65";
+    sha256 = "sha256-3wqO0pWWFRQeoGNvbSDdLNYFyjNnv+O++F7+vTBUJoI=";
+  };
+
+  propagatedBuildInputs = [
+    toolz
+    multipledispatch
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    pytest-html
+    pytest-benchmark  # Needed for the `--benchmark-skip` flag
+  ];
+
+  pytestFlagsArray = [
+    "--benchmark-skip"
+    "--html=testing-report.html"
+    "--self-contained-html"
+  ];
+
+  pythonImportsCheck = [ "unification" ];
+
+  meta = with lib; {
+    description = "Straightforward unification in Python that's extensible via generic functions";
+    homepage = "https://github.com/pythological/unification";
+    changelog = "https://github.com/pythological/unification/releases";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ Etjean ];
+  };
+}