add poweroff command

hc

2023-12-14 982b8cc116118b3463d3f332581945625722acd8

 kernel/drivers/base/firmware_loader/firmware.h
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@@ -87,6 +87,7 @@
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 };
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 extern struct mutex fw_lock;
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+extern bool fw_load_abort_all;
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 static inline bool __fw_state_check(struct fw_priv *fw_priv,
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 				    enum fw_status status)