CONFIG_S5PC100_SETUP_SDHCI is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_S5PC100_SETUP_SDHCI (not configurable)

modulename: setup-sdhci.ko

configname: CONFIG_S5PC100_SETUP_SDHCI

Linux Kernel Configuration
└─>S5PC100_SETUP_SDHCI
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
Internal helper functions for S5PC100 based SDHCI systems

source code:
arch/arm/mach-s5pc100/setup-sdhci.c