Enable step-charging for Kayo battery

1.Add step-charging parameters in battery profile (case:156287)
2.Set hysteresis of voltage to "0"

Change-Id: I1e3eeab77cc5cb5c25ca037ad8d332bcee21f660
diff --git a/drivers/power/supply/qcom/step-chg-jeita.c b/drivers/power/supply/qcom/step-chg-jeita.c
index f800b85..3a7b009 100644
--- a/drivers/power/supply/qcom/step-chg-jeita.c
+++ b/drivers/power/supply/qcom/step-chg-jeita.c
@@ -788,7 +788,7 @@
 
 	chip->step_chg_config->psy_prop = POWER_SUPPLY_PROP_VOLTAGE_NOW;
 	chip->step_chg_config->prop_name = "VBATT";
-	chip->step_chg_config->hysteresis = 100000;
+	chip->step_chg_config->hysteresis = 0;//100000; //<2020/05/11-JessicaTseng, Enable step-charging for Kayo battery
 
 	chip->jeita_fcc_config = devm_kzalloc(dev,
 			sizeof(struct jeita_fcc_cfg), GFP_KERNEL);