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/applications/science/misc/megam/default.nix

@@ -0,0 +1,47 @@
+{ fetchurl, lib, stdenv, ocaml, makeWrapper, ncurses }:
+
+let version = "0.92"; in
+stdenv.mkDerivation {
+  pname = "megam";
+  inherit version;
+
+  src = fetchurl {
+    url = "http://hal3.name/megam/megam_src.tgz";
+    sha256 = "dc0e9f59ff8513449fe3bd40b260141f89c88a4edf6ddc8b8a394c758e49724e";
+  };
+
+  patches = [ ./ocaml-includes.patch ./ocaml-3.12.patch ];
+
+  buildInputs = [ ocaml ncurses ];
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  makeFlags = [ "CAML_INCLUDES=${ocaml}/lib/ocaml/caml" ];
+
+  # see https://bugzilla.redhat.com/show_bug.cgi?id=435559
+  dontStrip = true;
+
+  installPhase = ''
+    mkdir -pv $out/bin
+    cp -Rv megam $out/bin
+  '';
+
+
+  meta = {
+    description = "MEGA Model Optimization Package";
+
+    longDescription =
+      ''  The software here is an implementation of maximum likelihood
+          and maximum a posterior optimization of the parameters of
+          these models.  The algorithms used are much more efficient
+          than the iterative scaling techniques used in almost every
+          other maxent package out there.  '';
+
+    homepage = "http://www.umiacs.umd.edu/~hal/megam";
+
+    license = "non-commercial";
+
+    maintainers = [ ];
+    platforms = lib.platforms.gnu ++ lib.platforms.linux;  # arbitrary choice
+  };
+}