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/beniget/default.nix

@@ -0,0 +1,25 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, gast
+}:
+
+buildPythonPackage rec {
+  pname = "beniget";
+  version = "0.4.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "75554b3b8ad0553ce2f607627dad3d95c60c441189875b98e097528f8e23ac0c";
+  };
+
+  propagatedBuildInputs = [
+    gast
+  ];
+
+  meta = {
+    description = "Extract semantic information about static Python code";
+    homepage = "https://github.com/serge-sans-paille/beniget";
+    license = lib.licenses.bsd3;
+  };
+}