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/userpath/default.nix

@@ -0,0 +1,29 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, click
+}:
+
+buildPythonPackage rec {
+  pname = "userpath";
+  version = "1.7.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256="sha256-3NZsX6mxo8EjYvMJu7W8eZK6yK+G0XtOaxpLFmoRxD8=";
+  };
+
+  propagatedBuildInputs = [ click ];
+
+  # test suite is difficult to emulate in sandbox due to shell manipulation
+  doCheck = false;
+
+  pythonImportsCheck = [ "click" "userpath" ];
+
+  meta = with lib; {
+    description = "Cross-platform tool for adding locations to the user PATH";
+    homepage = "https://github.com/ofek/userpath";
+    license = [ licenses.asl20 licenses.mit ];
+    maintainers = with maintainers; [ yshym ];
+  };
+}