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/graphql_ppx/default.nix

@@ -0,0 +1,37 @@
+{ lib, buildDunePackage, fetchFromGitHub, alcotest, reason
+, ppxlib
+, yojson }:
+
+buildDunePackage rec {
+  pname = "graphql_ppx";
+  version = "1.2.2";
+
+  minimalOCamlVersion = "4.08";
+
+  src = fetchFromGitHub {
+    owner = "reasonml-community";
+    repo = "graphql-ppx";
+    rev = "v${version}";
+    sha256 = "sha256-+WJhA2ixZHiSZBoX14dnQKk7JfVAIME4JooNSnhRp44=";
+  };
+
+  buildInputs = [ ppxlib ];
+
+  propagatedBuildInputs = [
+    reason
+    yojson
+  ];
+
+  checkInputs = [ alcotest ];
+
+  doCheck = true;
+
+  useDune2 = true;
+
+  meta = {
+    homepage = "https://github.com/reasonml-community/graphql_ppx";
+    description = "GraphQL PPX rewriter for Bucklescript/ReasonML";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ Zimmi48 jtcoolen ];
+  };
+}