change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/arch/arm/kernel/signal.h
..
..
@@ -9,3 +9,5 @@
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 	struct siginfo info;
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 	struct sigframe sig;
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 };
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+
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+extern struct page *get_signal_page(void);