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/sexpdata/default.nix

@@ -0,0 +1,23 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "sexpdata";
+  version = "0.0.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1ac827a616c5e87ebb60fd6686fb86f8a166938c645f4089d92de3ffbdd494e0";
+  };
+
+  doCheck = false;
+
+  meta = with lib; {
+    description = "S-expression parser for Python";
+    homepage = "https://github.com/tkf/sexpdata";
+    license = licenses.bsd0;
+  };
+
+}