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/pipdeptree/default.nix

@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, tox
+, pip
+}:
+
+buildPythonPackage rec {
+  pname = "pipdeptree";
+  version = "2.2.1";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.4";
+
+  src = fetchFromGitHub {
+    owner = "naiquevin";
+    repo = "pipdeptree";
+    rev = "${version}";
+    sha256 = "sha256-CL0li/79qptOtOGLwder5s0+6zv7+PUnl+bD6p+XBtA=";
+  };
+
+  propagatedBuildInputs = [
+    pip
+  ];
+
+  checkInputs = [
+    tox
+  ];
+
+  pythonImportsCheck = [
+    "pipdeptree"
+  ];
+
+  meta = with lib; {
+    description = "Command line utility to show dependency tree of packages";
+    homepage = "https://github.com/naiquevin/pipdeptree";
+    license = licenses.mit;
+    maintainers = with maintainers; [ charlesbaynham ];
+  };
+}