add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/xtensa/include/asm/regs.h
..
..
@@ -81,6 +81,7 @@
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 /*  PS register fields.  */
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 #define PS_WOE_BIT		18
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+#define PS_WOE_MASK		0x00040000
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 #define PS_CALLINC_SHIFT	16
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 #define PS_CALLINC_MASK		0x00030000
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 #define PS_OWB_SHIFT		8