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/analysis/flow/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchFromGitHub, ocamlPackages, CoreServices }:
+
+stdenv.mkDerivation rec {
+  pname = "flow";
+  version = "0.176.3";
+
+  src = fetchFromGitHub {
+    owner = "facebook";
+    repo = "flow";
+    rev = "v${version}";
+    sha256 = "sha256-ZjWIaZ4XT7v66ozjQu+ld0Tz2gVjQFUD6JoL1nW/DmE=";
+  };
+
+  makeFlags = [ "FLOW_RELEASE=1" ];
+
+  installPhase = ''
+    install -Dm755 bin/flow $out/bin/flow
+    install -Dm644 resources/shell/bash-completion $out/share/bash-completion/completions/flow
+  '';
+
+  buildInputs = (with ocamlPackages; [ ocaml findlib ocamlbuild ocaml-migrate-parsetree-2 dtoa core_kernel sedlex ocaml_lwt lwt_log lwt_ppx ppx_deriving ppx_gen_rec visitors wtf8 ])
+    ++ lib.optionals stdenv.isDarwin [ CoreServices ];
+
+  meta = with lib; {
+    description = "A static type checker for JavaScript";
+    homepage = "https://flow.org/";
+    changelog = "https://github.com/facebook/flow/raw/v${version}/Changelog.md";
+    license = licenses.mit;
+    platforms = ocamlPackages.ocaml.meta.platforms;
+    maintainers = with maintainers; [ marsam puffnfresh ];
+  };
+}