CONFIG_S3C64XX_SETUP_SPI is not available for the selected architecture x86.
Result is shown for architecture arm
CONFIG_S3C64XX_SETUP_SPI (not configurable)
modulename: setup-spi.ko
configname: CONFIG_S3C64XX_SETUP_SPI
Linux Kernel Configuration
└─>S3C64XX_SETUP_SPI
In linux kernel since version 3.1 (release Date: 2011-10-24)
Common setup code for SPI GPIO configurations