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/nixpkgs/default.nix

@@ -0,0 +1,33 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pbr
+, pythonix
+, pythonAtLeast
+}:
+
+buildPythonPackage rec {
+  pname = "nixpkgs";
+  version = "0.2.4";
+  disabled = ! pythonAtLeast "3.5";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0dlvq4bpamhlva86042wlc0xxfsxlpdgm2adfb1c6y3vjgbm0nvd";
+  };
+
+  buildInputs = [ pbr ];
+  propagatedBuildInputs = [ pythonix ];
+
+  # does not have any tests
+  doCheck = false;
+  pythonImportsCheck = [ "nixpkgs" ];
+
+  meta = with lib; {
+    description = "Allows to `from nixpkgs import` stuff in interactive Python sessions";
+    homepage = "https://github.com/t184256/nixpkgs-python-importer";
+    license = licenses.mit;
+    maintainers = with maintainers; [ t184256 ];
+  };
+
+}