max1720x_battery: trigger uevent to record learning events

Notify pixelstats to collect new data

Bug: 317827237
Change-Id: I3c1f33853a66d8a441305892636b7acd1e8d15a1
Signed-off-by: Jenny Ho <hsiufangho@google.com>
diff --git a/max1720x_battery.c b/max1720x_battery.c
index 8e99bc7..a5601e1 100644
--- a/max1720x_battery.c
+++ b/max1720x_battery.c
@@ -2310,6 +2310,8 @@
 
 	kfree(buf);
 
+	kobject_uevent(&chip->dev->kobj, KOBJ_CHANGE);
+
 	return 0;
 }