CONFIG_HAVE_S3C_RTC (not configurable)

configname: CONFIG_HAVE_S3C_RTC

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>HAVE_S3C_RTC
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
This will include RTC support for Samsung SoCs. If
you want to include RTC support for any machine, kindly
select this in the respective mach-XXXX/Kconfig file.