CONFIG_CPU_S3C2416 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

SAMSUNG S3C2416/S3C2450

modulename: irq.ko

and/or

s3c2416.ko

configname: CONFIG_CPU_S3C2416

Linux Kernel Configuration
└─>SAMSUNG S3C24XX SoCs Support
└─>SAMSUNG S3C2416/S3C2450
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
Support for the S3C2416 SoC from the S3C24XX line

source code:
/arch/arm/mach-s3c24xx/s3c2416.c



is depended by
CONFIG_MACH_SMDK2416