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/tinyobjloader-py/default.nix

@@ -0,0 +1,21 @@
+{ lib, buildPythonPackage, pybind11, tinyobjloader }:
+
+buildPythonPackage rec {
+  pname = "tinyobjloader-py";
+  inherit (tinyobjloader) version src;
+
+  # Build needs headers from ${src}, setting sourceRoot or fetching from pypi won't work.
+  preConfigure = ''
+    cd python
+  '';
+
+  buildInputs = [ pybind11 ];
+
+  # No tests are included upstream
+  doCheck = false;
+  pythonImportsCheck = [ "tinyobjloader" ];
+
+  meta = with lib; tinyobjloader.meta // {
+    description = "Python wrapper for the C++ wavefront .obj loader tinyobjloader";
+  };
+}