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/yapsy/default.nix

@@ -0,0 +1,23 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "Yapsy";
+  version = "1.12.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "12rznbnswfw0w7qfbvmmffr9r317gl1rqg36nijwzsklkjgks4fq";
+  };
+
+  meta = with lib; {
+    homepage = "http://yapsy.sourceforge.net/";
+    description = "Yet another plugin system";
+    license = licenses.bsd0;
+    # tests fail and are not using pytest to easily disable them
+    broken = stdenv.isDarwin;
+  };
+}