change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/sound/usb/hiface/Makefile
..
..
@@ -1,2 +1,3 @@
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+# SPDX-License-Identifier: GPL-2.0-only
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 snd-usb-hiface-objs := chip.o pcm.o
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 obj-$(CONFIG_SND_USB_HIFACE) += snd-usb-hiface.o