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/idna/default.nix

@@ -0,0 +1,23 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "idna";
+  version = "3.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "9d643ff0a55b762d5cdb124b8eaa99c66322e2157b69160bc32796e824360e6d";
+  };
+
+  checkInputs = [ pytestCheckHook ];
+
+  meta = {
+    homepage = "https://github.com/kjd/idna/";
+    description = "Internationalized Domain Names in Applications (IDNA)";
+    license = lib.licenses.bsd3;
+  };
+}