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/ocaml-modules/cryptgps/default.nix

@@ -0,0 +1,39 @@
+{stdenv, lib, fetchurl, ocaml, findlib}:
+
+if lib.versionAtLeast ocaml.version "4.06"
+then throw "cryptgps is not available for OCaml ${ocaml.version}"
+else
+
+stdenv.mkDerivation {
+  pname = "ocaml-cryptgps";
+  version = "0.2.1";
+
+  src = fetchurl {
+    url = "http://download.camlcity.org/download/cryptgps-0.2.1.tar.gz";
+    sha256 = "1mp7i42cm9w9grmcsa69m3h1ycpn6a48p43y4xj8rsc12x9nav3s";
+  };
+
+  nativeBuildInputs = [ ocaml findlib ];
+
+  strictDeps = true;
+
+  dontConfigure = true;	# Skip configure phase
+
+  createFindlibDestdir = true;
+
+  meta = {
+    homepage = "http://projects.camlcity.org/projects/cryptgps.html";
+    description = "Cryptographic functions for OCaml";
+    longDescription = ''
+      This library implements the symmetric cryptographic algorithms
+      Blowfish, DES, and 3DES. The algorithms are written in O'Caml,
+      i.e. this is not a binding to some C library, but the implementation
+      itself.
+    '';
+    license = lib.licenses.mit;
+    inherit (ocaml.meta) platforms;
+    maintainers = [
+      lib.maintainers.maggesi
+    ];
+  };
+}