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/tox/default.nix

@@ -0,0 +1,33 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, packaging
+, pluggy
+, py
+, six
+, virtualenv
+, setuptools-scm
+, toml
+, filelock
+}:
+
+buildPythonPackage rec {
+  pname = "tox";
+  version = "3.24.5";
+
+  buildInputs = [ setuptools-scm ];
+  propagatedBuildInputs = [ packaging pluggy py six virtualenv toml filelock ];
+
+  doCheck = false;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "67e0e32c90e278251fea45b696d0fef3879089ccbe979b0c556d35d5a70e2993";
+  };
+
+  meta = with lib; {
+    description = "Virtualenv-based automation of test activities";
+    homepage = "https://tox.readthedocs.io/";
+    license = licenses.mit;
+  };
+}