CONFIG_S3C64XX_SETUP_SDHCI_GPIO is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_S3C64XX_SETUP_SDHCI_GPIO (not configurable)

configname: CONFIG_S3C64XX_SETUP_SDHCI_GPIO

Linux Kernel Configuration
└─>Samsung S3C64XX (deprecated, see help)
└─>S3C64XX_SETUP_SDHCI_GPIO
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
Common setup code for S3C64XX SDHCI GPIO configurations