CONFIG_S3C6410_SETUP_SDHCI is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_S3C6410_SETUP_SDHCI (not configurable)

modulename: setup-sdhci.ko

configname: CONFIG_S3C6410_SETUP_SDHCI

Linux Kernel Configuration
└─>S3C6410_SETUP_SDHCI
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
Internal helper functions for S3C6410 based SDHCI systems

source code:
arch/arm/mach-s3c6410/setup-sdhci.c