CONFIG_RTL8723_COMMON (not configurable)

modulename: rtl8723-common.ko

configname: CONFIG_RTL8723_COMMON

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Wireless LAN
└─>Realtek rtlwifi family of devices
└─>RTL8723_COMMON
In linux kernel since version 3.15 (release Date: 2014-06-08)  
source code:
drivers/net/wireless/realtek/rtlwifi/rtl8723com/