add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/arm/mm/fault.c
..
..
@@ -125,7 +125,7 @@
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 	show_pte(KERN_ALERT, mm, addr);
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 	die("Oops", regs, fsr);
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 	bust_spinlocks(0);
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-	do_exit(SIGKILL);
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+	make_task_dead(SIGKILL);
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 }
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 /*