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/arp/default.nix

@@ -0,0 +1,55 @@
+{ lib, buildDunePackage, fetchurl
+, cstruct, ipaddr, macaddr, logs, lwt, duration
+, mirage-time, mirage-protocols, mirage-profile
+, alcotest, ethernet, fmt, mirage-vnetif, mirage-random
+, mirage-random-test, mirage-clock-unix, mirage-time-unix
+, bisect_ppx
+}:
+
+buildDunePackage rec {
+  pname = "arp";
+  version = "3.0.0";
+
+  src = fetchurl {
+    url = "https://github.com/mirage/${pname}/releases/download/v${version}/${pname}-v${version}.tbz";
+    sha256 = "1x3l8v96ywc3wrcwbf0j04b8agap4fif0fz6ki2ndzx57yqcjszn";
+  };
+
+  minimumOCamlVersion = "4.06";
+  useDune2 = true;
+
+  nativeBuildInputs = [
+    bisect_ppx
+  ];
+
+  propagatedBuildInputs = [
+    cstruct
+    duration
+    ipaddr
+    logs
+    lwt
+    macaddr
+    mirage-profile
+    mirage-protocols
+    mirage-time
+  ];
+
+  doCheck = true;
+  checkInputs = [
+    alcotest
+    ethernet
+    mirage-clock-unix
+    mirage-profile
+    mirage-random
+    mirage-random-test
+    mirage-time-unix
+    mirage-vnetif
+  ];
+
+  meta = with lib; {
+    description = "Address Resolution Protocol purely in OCaml";
+    homepage = "https://github.com/mirage/arp";
+    license = licenses.isc;
+    maintainers = with maintainers; [ sternenseemann ];
+  };
+}