CONFIG_CPU_S3C244X is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_CPU_S3C244X (not configurable)

modulename: s3c244x-irq.ko

and/or

s3c244x.ko

configname: CONFIG_CPU_S3C244X

Linux Kernel Configuration
└─>CPU_S3C244X
In linux kernel since version 2.6.18 (release Date: 2006-09-19)  
Support for S3C2440 and S3C2442 Samsung Mobile CPU based systems.

source code:
arch/arm/mach-s3c2410/s3c244x.c

is depended by
CONFIG_CPU_S3C2442