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/flatbuffers/default.nix

@@ -0,0 +1,22 @@
+{ lib
+, buildPythonPackage
+, flatbuffers
+}:
+
+buildPythonPackage rec {
+  inherit (flatbuffers) pname version src;
+
+  sourceRoot = "source/python";
+
+  # flatbuffers needs VERSION environment variable for setting the correct
+  # version, otherwise it uses the current date.
+  VERSION = "${version}";
+
+  pythonImportsCheck = [ "flatbuffers" ];
+
+  meta = flatbuffers.meta // {
+    description = "Python runtime library for use with the Flatbuffers serialization format";
+    maintainers = with lib.maintainers; [ wulfsta ];
+    mainProgram = "flatc";
+  };
+}