add led

hc

2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6

 kernel/fs/tracefs/Makefile
..
..
@@ -1,3 +1,4 @@
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+# SPDX-License-Identifier: GPL-2.0-only
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 tracefs-objs	:= inode.o
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 obj-$(CONFIG_TRACING)	+= tracefs.o