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/eggdeps/default.nix

@@ -0,0 +1,29 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, zope_interface
+, zope_testing
+}:
+
+buildPythonPackage rec {
+  pname = "tl-eggdeps";
+  version = "1.0";
+
+  src = fetchPypi {
+    inherit version;
+    pname = "tl.eggdeps";
+    sha256 = "a094ed7961a3dd38fcaaa69cf7a58670038acdff186360166d9e3d964b7a7323";
+  };
+
+  propagatedBuildInputs = [ zope_interface zope_testing ];
+
+  # tests fail, see https://hydra.nixos.org/build/4316603/log/raw
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A tool which computes a dependency graph between active Python eggs";
+    homepage = "http://thomas-lotze.de/en/software/eggdeps/";
+    license = licenses.zpl20;
+  };
+
+}