add poweroff command

hc

2023-12-14 982b8cc116118b3463d3f332581945625722acd8

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config BR2_PACKAGE_ERLANG_GOLDRUSH
    bool "erlang-goldrush"
    help
      Goldrush is a small Erlang app that provides fast event
      stream processing.
 
      https://github.com/DeadZen/goldrush