add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/staging/pi433/Makefile
..
..
@@ -1,3 +1,4 @@
1
+# SPDX-License-Identifier: GPL-2.0
1
2
 obj-$(CONFIG_PI433) += pi433.o
2
3
 
3
4
 pi433-objs := pi433_if.o rf69.o