Android 8.1 充电保护时间修改为3天

— a/kernel-4.4/arch/arm/boot/dts/mt6739.dts
+++ b/kernel-4.4/arch/arm/boot/dts/mt6739.dts
@@ -2221,7 +2221,7 @@

            /* SW safety timer */
            enable_sw_safety_timer;

•           max_charging_time = <43200>; /* 12 hours */
  

•           max_charging_time = <259200>; /* 12 hours */
  
            /* linear charger */
            recharge_offset = <150000>;