add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/mips/include/asm/dec/prom.h
..
..
@@ -70,7 +70,7 @@
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  */
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 typedef struct {
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 	int pagesize;
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-	unsigned char bitmap[0];
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+	unsigned char bitmap[];
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 } memmap;
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