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/applications/misc/ff2mpv/default.nix

@@ -0,0 +1,34 @@
+{ lib, stdenv, fetchFromGitHub, python3, mpv }:
+
+stdenv.mkDerivation rec {
+  pname = "ff2mpv";
+  version = "4.0.0";
+
+  src = fetchFromGitHub {
+    owner = "woodruffw";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-sxUp/JlmnYW2sPDpIO2/q40cVJBVDveJvbQMT70yjP4=";
+  };
+
+  buildInputs = [ python3 mpv ];
+
+  postPatch = ''
+    patchShebangs .
+    substituteInPlace ff2mpv.json \
+      --replace '/home/william/scripts/ff2mpv' "$out/bin/ff2mpv.py"
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin $out/lib/mozilla/native-messaging-hosts
+    cp ff2mpv.py $out/bin
+    cp ff2mpv.json $out/lib/mozilla/native-messaging-hosts
+  '';
+
+  meta = {
+    description = "Native Messaging Host for ff2mpv firefox addon.";
+    homepage = "https://github.com/woodruffw/ff2mpv";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ Enzime ];
+  };
+}