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/holidays/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, convertdate
+, python-dateutil
+, fetchPypi
+, hijri-converter
+, korean-lunar-calendar
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "holidays";
+  version = "0.14.2";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-DnD9F0gErqHIcLFRMZ+uvNXNsNlVt4IwQ04a/Rd4SY4=";
+  };
+
+  propagatedBuildInputs = [
+    convertdate
+    python-dateutil
+    hijri-converter
+    korean-lunar-calendar
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "holidays"
+  ];
+
+  meta = with lib; {
+    description = "Generate and work with holidays in Python";
+    homepage = "https://github.com/dr-prodigy/python-holidays";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jluttine ];
+  };
+}