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/tools/ocaml/omake/0.9.8.6-rc1.nix

@@ -0,0 +1,44 @@
+{lib, stdenv, fetchurl, makeWrapper, ocaml, ncurses}:
+let
+  pname = "omake";
+  version = "0.9.8.6-0.rc1";
+  webpage = "http://omake.metaprl.org";
+in
+
+if lib.versionAtLeast ocaml.version "4.06"
+then throw "${pname}-${version} is not available for OCaml ${ocaml.version}"
+else
+
+stdenv.mkDerivation {
+
+  name = "${pname}-${version}";
+
+  src = fetchurl {
+    url = "https://src.fedoraproject.org/repo/pkgs/ocaml-omake/${pname}-${version}.tar.gz/fe39a476ef4e33b7ba2ca77a6bcaded2/${pname}-${version}.tar.gz";
+    sha256 = "1sas02pbj56m7wi5vf3vqrrpr4ynxymw2a8ybvfj2dkjf7q9ii13";
+  };
+  patchFlags = [ "-p0" ];
+  patches = [ ./warn.patch ];
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ ocaml ncurses ];
+
+  dontInstall = true;
+  buildPhase = ''
+    make bootstrap
+    make PREFIX=$out all
+    make PREFIX=$out install
+  '';
+#  prefixKey = "-prefix ";
+#
+#  configureFlags = if transitional then "--transitional" else "--strict";
+#
+#  buildFlags = [ "world.opt" ];
+
+  meta = {
+    description = "Omake build system";
+    homepage = webpage;
+    license = "GPL";
+    platforms = ocaml.meta.platforms or [];
+  };
+}