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/pynrrd/default.nix

@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, numpy
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pynrrd";
+  version = "0.4.3";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "mhe";
+    repo = pname;
+    rev = "refs/tags/v${version}";
+    hash = "sha256-4UM2NAKWfsjxAoLQCFSPVKG5GukxqppywqvLM0V/dIs=";
+  };
+
+  propagatedBuildInputs = [
+    numpy
+  ];
+
+  pythonImportsCheck = [
+    "nrrd"
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/mhe/pynrrd";
+    description = "Simple pure-Python reader for NRRD files";
+    license = licenses.mit;
+    maintainers = with maintainers; [ bcdarwin ];
+  };
+}