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/tools/misc/wlc/default.nix

@@ -0,0 +1,35 @@
+{ lib
+, python3
+}:
+
+with python3.pkgs;
+
+buildPythonPackage rec {
+  pname = "wlc";
+  version = "1.13";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-MZ6avuMNT5HIIXW7ezukAJeO70o+SrgJnBnGjNy4tYE=";
+  };
+
+  propagatedBuildInputs = [
+    argcomplete
+    python-dateutil
+    requests
+    pyxdg
+    responses
+    twine
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  meta = with lib; {
+    description = "wlc is a Weblate commandline client using Weblate's REST API.";
+    homepage = "https://github.com/WeblateOrg/wlc";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ paperdigits ];
+  };
+}