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/ppx_bap/default.nix

@@ -0,0 +1,52 @@
+{ lib, buildDunePackage
+, fetchFromGitHub
+, ppx_assert
+, ppx_bench
+, ppx_bin_prot
+, ppx_compare
+, ppx_enumerate
+, ppx_hash
+, ppx_here
+, ppx_optcomp
+, ppx_sexp_conv
+, ppx_sexp_value
+}:
+
+buildDunePackage rec {
+  pname = "ppx_bap";
+  version = "0.14";
+  useDune2 = true;
+
+  minimumOCamlVersion = "4.07";
+
+  src = fetchFromGitHub {
+    owner = "BinaryAnalysisPlatform";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1c6rcdp8bicdiwqc2mb59cl9l2vxlp3y8hmnr9x924fq7acly248";
+  };
+
+  buildInputs = [
+    ppx_optcomp
+    ppx_sexp_value
+  ];
+
+  propagatedBuildInputs = [
+    ppx_assert
+    ppx_bench
+    ppx_bin_prot
+    ppx_compare
+    ppx_enumerate
+    ppx_hash
+    ppx_here
+    ppx_sexp_conv
+  ];
+
+  meta = {
+    description = "The set of ppx rewriters for BAP";
+    inherit (src.meta) homepage;
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.vbgl ];
+    mainProgram = "ppx-bap";
+  };
+}