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/pypytools/default.nix

@@ -0,0 +1,53 @@
+{ lib
+, buildPythonPackage
+, fetchpatch
+, fetchPypi
+, freezegun
+, numpy
+, py
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pypytools";
+  version = "0.6.2";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-oUDAU+TRwLroNfQGYusAQKdRkHcazysqiDLfp77v5Sk=";
+  };
+
+  propagatedBuildInputs = [
+    py
+  ];
+
+  checkInputs = [
+    freezegun
+    numpy
+    pytestCheckHook
+  ];
+
+  patches = [
+    # Support for later Python releases, https://github.com/antocuni/pypytools/pull/2
+    (fetchpatch {
+      name = "support-later-python.patch";
+      url = "https://github.com/antocuni/pypytools/commit/c6aed496ec35a6ef7ce9e95084849eebc16bafef.patch";
+      sha256 = "sha256-YoYRZmgueQmxRtGaeP4zEVxuA0U7TB0PmoYHHVI7ICQ=";
+    })
+  ];
+
+  pythonImportsCheck = [
+    "pypytools"
+  ];
+
+  meta = with lib; {
+    description = "Collection of tools to use PyPy-specific features";
+    homepage = "https://github.com/antocuni/pypytools";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}