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/pytimeparse/default.nix

@@ -0,0 +1,20 @@
+{ lib, fetchPypi, buildPythonPackage, nose }:
+
+buildPythonPackage rec {
+    pname = "pytimeparse";
+    version = "1.1.8";
+
+    src = fetchPypi {
+      inherit pname version;
+      sha256 = "e86136477be924d7e670646a98561957e8ca7308d44841e21f5ddea757556a0a";
+    };
+
+    checkInputs = [ nose ];
+
+    meta = with lib; {
+      description = "A small Python library to parse various kinds of time expressions";
+      homepage    = "https://github.com/wroberts/pytimeparse";
+      license     = licenses.mit;
+      maintainers = with maintainers; [ vrthra ];
+    };
+}