add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/xtensa/include/asm/cacheflush.h
..
..
@@ -145,6 +145,8 @@
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 #endif
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+#define flush_icache_user_range flush_icache_range
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+
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 /* Ensure consistency between data and instruction cache. */
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 #define local_flush_icache_range(start, end)				\
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 	do {								\