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/mimic/default.nix

@@ -0,0 +1,39 @@
+{ lib, buildDunePackage, fetchurl
+, fmt, mirage-flow, cstruct, logs, ke, lwt
+, alcotest, alcotest-lwt, bigstringaf
+}:
+
+buildDunePackage rec {
+  pname = "mimic";
+  version = "0.0.4";
+
+  minimalOCamlVersion = "4.08";
+
+  src = fetchurl {
+    url = "https://github.com/dinosaure/mimic/releases/download/${version}/mimic-${version}.tbz";
+    sha256 = "sha256-1Wb2xufgGKp3FJ+FYjK45i9B5+HohdPX+w9Sw0ph5JY=";
+  };
+
+  propagatedBuildInputs = [
+    fmt
+    lwt
+    mirage-flow
+    logs
+  ];
+
+  doCheck = true;
+  checkInputs = [
+    alcotest
+    alcotest-lwt
+    bigstringaf
+    cstruct
+    ke
+  ];
+
+  meta = with lib; {
+    description = "A simple protocol dispatcher";
+    license = licenses.isc;
+    homepage = "https://github.com/mirage/ocaml-git";
+    maintainers = [ maintainers.sternenseemann ];
+  };
+}