CONFIG_CPU_S3C2410 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

SAMSUNG S3C2410

modulename: s3c2410.ko

configname: CONFIG_CPU_S3C2410

Linux Kernel Configuration
└─>SAMSUNG S3C24XX SoCs Support
└─>SAMSUNG S3C2410
In linux kernel since version 2.6.12  
Support for S3C2410 and S3C2410A family from the S3C24XX line
of Samsung Mobile CPUs.

source code:
arch/arm/mach-s3c24xx/s3c2410.c