overlay: Monitor interrupts

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/overlay/Makefile.am b/overlay/Makefile.am
index b01bf38..41f42cc 100644
--- a/overlay/Makefile.am
+++ b/overlay/Makefile.am
@@ -15,6 +15,8 @@
 	cpu-top.c \
 	debugfs.h \
 	debugfs.c \
+	gem-interrupts.h \
+	gem-interrupts.c \
 	gem-objects.h \
 	gem-objects.c \
 	gpu-top.h \