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/cluster/nixops/update

@@ -0,0 +1,11 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -I nixpkgs=../../../../../. -i bash
+set -eux
+
+rm -f ./poetry.lock ./poetry-git-overlay.nix
+
+poetry lock
+
+# builtins.fetchGit is disabled in restricted eval
+# Pin fixed-output derivations from lock file
+poetry2nix lock