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/servers/mastodon/update.nix

@@ -0,0 +1,30 @@
+{ pkgs
+, runCommand
+, lib
+, makeWrapper
+, yarn2nix
+, bundix
+, coreutils
+, diffutils
+, nix-prefetch-git
+, gnused
+, jq
+}:
+let
+  binPath = lib.makeBinPath [ yarn2nix bundix coreutils diffutils nix-prefetch-git gnused jq ];
+in
+runCommand "mastodon-update-script"
+{
+  nativeBuildInputs = [ makeWrapper ];
+
+  meta = {
+    maintainers = with lib.maintainers; [ happy-river ];
+    description = "Utility to generate Nix expressions for Mastodon's dependencies";
+    platforms = lib.platforms.unix;
+  };
+} ''
+  mkdir -p $out/bin
+  cp ${./update.sh} $out/bin/update.sh
+  patchShebangs $out/bin/update.sh
+  wrapProgram $out/bin/update.sh --prefix PATH : ${binPath}
+''