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/ush/default.nix

@@ -0,0 +1,35 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "ush";
+  version = "3.1.0";
+
+  src = fetchFromGitHub {
+    owner = "tarruda";
+    repo = "python-ush";
+    rev = version;
+    sha256 = "sha256-eL3vG3yS02enbLYorKvvYKbju9HInffUhrZgkodwhvo=";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+    six
+  ];
+
+  disabledTestPaths = [
+    # seems to be outdated?
+    "tests/test_glob.py"
+  ];
+
+  meta = with lib; {
+    description = "Powerful API for invoking with external commands";
+    homepage = "https://github.com/tarruda/python-ush";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ckie ];
+  };
+}