CONFIG_EXYNOS4_DEV_AHCI is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_EXYNOS4_DEV_AHCI (not configurable)
modulename: dev-ahci.ko
configname: CONFIG_EXYNOS4_DEV_AHCI
Linux Kernel Configuration
└─>SAMSUNG EXYNOS SoCs Support
└─>EXYNOS4_DEV_AHCI
In linux kernel since version 2.6.39 (release Date: 2011-05-18)
Compile in platform device definitions for AHCI