modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/tools/testing/selftests/powerpc/benchmarks/futex_bench.c
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@@ -1,6 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright 2016, Anton Blanchard, Michael Ellerman, IBM Corp.
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- * Licensed under GPLv2.
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  */
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 #define _GNU_SOURCE