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/networking/misc/zammad/update.nix

@@ -0,0 +1,37 @@
+{ stdenv
+, lib
+, makeWrapper
+, bundix
+, common-updater-scripts
+, jq
+, nix-prefetch-github
+, yarn
+, yarn2nix
+}:
+
+stdenv.mkDerivation rec {
+  name = "zammad-update-script";
+  installPhase = ''
+    mkdir -p $out/bin
+    cp ${./update.sh} $out/bin/update.sh
+    patchShebangs $out/bin/update.sh
+    wrapProgram $out/bin/update.sh --prefix PATH : ${lib.makeBinPath buildInputs}
+  '';
+  phases = [ "installPhase" ];
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [
+    bundix
+    common-updater-scripts
+    jq
+    nix-prefetch-github
+    yarn
+    yarn2nix
+  ];
+
+  meta = {
+    maintainers = with lib.maintainers; [ n0emis ];
+    description = "Utility to generate Nix expressions for Zammad's dependencies";
+    platforms = lib.platforms.unix;
+  };
+}