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/chex/default.nix

@@ -0,0 +1,48 @@
+{ absl-py
+, buildPythonPackage
+, dm-tree
+, fetchFromGitHub
+, jax
+, jaxlib
+, lib
+, numpy
+, pytestCheckHook
+, toolz
+}:
+
+buildPythonPackage rec {
+  pname = "chex";
+  version = "0.1.2";
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "deepmind";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-NtZYOHByKBcKmhRaNULwaQqxfoPRmgbtJ3cFHNfy4E8=";
+  };
+
+  propagatedBuildInputs = [
+    absl-py
+    dm-tree
+    jax
+    numpy
+    toolz
+  ];
+
+  pythonImportsCheck = [
+    "chex"
+  ];
+
+  checkInputs = [
+    jaxlib
+    pytestCheckHook
+  ];
+
+  meta = with lib; {
+    description = "Chex is a library of utilities for helping to write reliable JAX code.";
+    homepage = "https://github.com/deepmind/chex";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ ndl ];
+  };
+}