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/ocamlformat/generic.nix

@@ -0,0 +1,64 @@
+{ lib, fetchurl, fetchzip, ocaml-ng
+, version
+, tarballName ? "ocamlformat-${version}.tbz",
+}:
+
+let src =
+  fetchurl {
+    url = "https://github.com/ocaml-ppx/ocamlformat/releases/download/${version}/${tarballName}";
+    sha256 = {
+      "0.19.0" = "0ihgwl7d489g938m1jvgx8azdgq9f5np5mzqwwya797hx2m4dz32";
+      "0.20.0" = "sha256-JtmNCgwjbCyUE4bWqdH5Nc2YSit+rekwS43DcviIfgk=";
+      "0.20.1" = "sha256-fTpRZFQW+ngoc0T6A69reEUAZ6GmHkeQvxspd5zRAjU=";
+      "0.21.0" = "sha256-KhgX9rxYH/DM6fCqloe4l7AnJuKrdXSe6Y1XY3BXMy0=";
+      "0.22.4" = "sha256-61TeK4GsfMLmjYGn3ICzkagbc3/Po++Wnqkb2tbJwGA=";
+    }."${version}";
+  };
+  ocamlPackages = ocaml-ng.ocamlPackages;
+in
+
+with ocamlPackages;
+
+buildDunePackage {
+  pname = "ocamlformat";
+  inherit src version;
+
+  minimumOCamlVersion = "4.08";
+
+  useDune2 = true;
+
+  strictDeps = true;
+
+  nativeBuildInputs = [
+    menhir
+  ];
+
+  buildInputs = [
+    base
+    dune-build-info
+    fix
+    fpath
+    menhirLib
+    menhirSdk
+    ocp-indent
+    re
+    stdio
+    uuseg
+    uutf
+  ]
+  ++ lib.optionals (lib.versionAtLeast version "0.20.0") [ ocaml-version either ]
+  ++ (if lib.versionAtLeast version "0.20.1"
+      then [ odoc-parser ]
+      else [ (odoc-parser.override { version = "0.9.0"; }) ])
+  ++ (if lib.versionAtLeast version "0.21.0"
+      then [ cmdliner_1_1 ]
+      else [ cmdliner_1_0 ])
+  ++ lib.optionals (lib.versionAtLeast version "0.22.4") [ csexp ];
+
+  meta = {
+    homepage = "https://github.com/ocaml-ppx/ocamlformat";
+    description = "Auto-formatter for OCaml code";
+    maintainers = [ lib.maintainers.Zimmi48 lib.maintainers.marsam ];
+    license = lib.licenses.mit;
+  };
+}