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/compilers/bs-platform/ocaml.nix

@@ -0,0 +1,16 @@
+{ lib, stdenv, src, version }:
+stdenv.mkDerivation rec {
+  inherit src version;
+  pname = "ocaml-bs";
+  configurePhase = ''
+    ./configure -prefix $out
+  '';
+  buildPhase = ''
+    make -j9 world.opt
+  '';
+
+  meta = with lib; {
+    branch = "4.06";
+    platforms = platforms.all;
+  };
+}