add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/sound/usb/misc/Makefile
..
..
@@ -1,2 +1,3 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
1
2
 snd-ua101-objs := ua101.o
2
3
 obj-$(CONFIG_SND_USB_UA101) += snd-ua101.o