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/retry_decorator/default.nix

@@ -0,0 +1,21 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "retry_decorator";
+  version = "1.1.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "e1e8ad02e518fe11073f2ea7d80b6b8be19daa27a60a1838aff7c731ddcf2ebe";
+  };
+
+  meta = with lib; {
+    homepage = "https://github.com/pnpnpn/retry-decorator";
+    description = "Retry Decorator for python functions";
+    license = licenses.mit;
+  };
+
+}