CONFIG_SERIAL_SC16IS7XX_CORE (not configurable)

modulename: sc16is7xx.ko

configname: CONFIG_SERIAL_SC16IS7XX_CORE

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>SERIAL_SC16IS7XX_CORE
In linux kernel since version 4.1 (release Date: 2015-06-21)  
source code:
drivers/tty/serial/sc16is7xx.c