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/opensimplex/default.nix

@@ -0,0 +1,37 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, numpy
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "opensimplex";
+  version = "0.4.2";
+
+  src = fetchFromGitHub {
+    owner = "lmas";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "zljS0yu3cHF2Vz3rFkwLXiHnKjo970MDIrC/56FoHa4=";
+  };
+
+  propagatedBuildInputs = [ numpy ];
+
+  checkInputs = [ pytestCheckHook ];
+  pytestFlagsArray = [ "tests/test_opensimplex.py" ];
+  pythonImportsCheck = [ "opensimplex" ];
+
+  meta = with lib; {
+    description = "OpenSimplex Noise functions for 2D, 3D and 4D";
+    longDescription = ''
+      OpenSimplex noise is an n-dimensional gradient noise function that was
+      developed in order to overcome the patent-related issues surrounding
+      Simplex noise, while continuing to also avoid the visually-significant
+      directional artifacts characteristic of Perlin noise.
+    '';
+    homepage = "https://github.com/lmas/opensimplex";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ emilytrau ];
+  };
+}