add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/tools/gpio/Build
..
..
@@ -2,3 +2,4 @@
2
2
 lsgpio-y += lsgpio.o gpio-utils.o
3
3
 gpio-hammer-y += gpio-hammer.o gpio-utils.o
4
4
 gpio-event-mon-y += gpio-event-mon.o gpio-utils.o
5
+gpio-watch-y += gpio-watch.o