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/pyupgrade/default.nix

@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, pytestCheckHook
+, tokenize-rt
+}:
+
+buildPythonPackage rec {
+  pname = "pyupgrade";
+  version = "2.32.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "asottile";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-fjahaMetgZaH+IzdyaZSkVbasgc0bqQL+1ae0OJriT0=";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  propagatedBuildInputs = [
+    tokenize-rt
+  ];
+
+  pythonImportsCheck = [
+    "pyupgrade"
+  ];
+
+  meta = with lib; {
+    description = "Tool to automatically upgrade syntax for newer versions of the language";
+    homepage = "https://github.com/asottile/pyupgrade";
+    license = licenses.mit;
+    maintainers = with maintainers; [ lovesegfault ];
+  };
+}