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/prefixed/default.nix

@@ -0,0 +1,26 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "prefixed";
+  version = "0.3.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "ca48277ba5fa8346dd4b760847da930c7b84416387c39e93affef086add2c029";
+  };
+
+  checkInputs = [ pytestCheckHook ];
+
+  pythonImportsCheck = [ "prefixed" ];
+
+  meta = with lib; {
+    description = "Prefixed alternative numeric library";
+    homepage = "https://github.com/Rockhopper-Technologies/prefixed";
+    license = with licenses; [ mpl20 ];
+    maintainers = with maintainers; [ veprbl ];
+  };
+}