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/progressbar2/default.nix

@@ -0,0 +1,31 @@
+{ lib
+, python
+, buildPythonPackage
+, fetchPypi
+, python-utils
+}:
+
+buildPythonPackage rec {
+  pname = "progressbar2";
+  version = "4.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "14d3165a1781d053ffaa117daf27cc706128d2ec1d2977fdb05b6bb079888013";
+  };
+
+  propagatedBuildInputs = [ python-utils ];
+
+  # depends on unmaintained pytest-pep8
+  # https://github.com/WoLpH/python-progressbar/issues/241
+  doCheck = false;
+
+  pythonImportsCheck = [ "progressbar" ];
+
+  meta = with lib; {
+    homepage = "https://progressbar-2.readthedocs.io/en/latest/";
+    description = "Text progressbar library for python";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ ashgillman turion ];
+  };
+}