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/tools/wayland/wayland-proxy-virtwl/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, fetchFromGitHub
+, ocamlPackages
+}:
+
+ocamlPackages.buildDunePackage rec {
+  pname = "wayland-proxy-virtwl";
+  version = "unstable-2021-12-05";
+
+  src = fetchFromGitHub {
+    owner = "talex5";
+    repo = pname;
+    rev = "d7f58d405514dd031f2f12e402c8c6a58e62a885";
+    sha256 = "0riwaqdlrx2gzkrb02v4zdl4ivpmz9g5w87lj3bhqs0l3s6c249s";
+  };
+
+  postPatch = ''
+    # no need to vendor
+    rm -r ocaml-wayland
+  '';
+
+  useDune2 = true;
+  minimumOCamlVersion = "4.08";
+
+  strictDeps = true;
+  nativeBuildInputs = [
+    ocamlPackages.ppx_cstruct
+  ];
+
+  buildInputs = with ocamlPackages; [
+    wayland
+    cmdliner
+    logs
+    cstruct-lwt
+    ppx_cstruct
+  ];
+
+  doCheck = true;
+
+  meta = {
+    homepage = "https://github.com/talex5/wayland-virtwl-proxy";
+    description = "Proxy Wayland connections across a VM boundary";
+    license = lib.licenses.asl20;
+    maintainers = [ lib.maintainers.sternenseemann ];
+  };
+}