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/face/default.nix

@@ -0,0 +1,31 @@
+{ lib, buildPythonPackage, fetchPypi, boltons, pytest }:
+
+buildPythonPackage rec {
+  pname = "face";
+  version = "20.1.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "7d59ca5ba341316e58cf72c6aff85cca2541cf5056c4af45cb63af9a814bed3e";
+  };
+
+  propagatedBuildInputs = [ boltons ];
+
+  checkInputs = [ pytest ];
+  checkPhase = "pytest face/test";
+
+  # ironically, test_parse doesn't parse, but fixed in git so no point
+  # reporting
+  doCheck = false;
+
+  meta = with lib; {
+    homepage = "https://github.com/mahmoud/face";
+    description = "A command-line interface parser and framework";
+    longDescription = ''
+      A command-line interface parser and framework, friendly for
+      users, full-featured for developers.
+    '';
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ twey ];
+  };
+}