CONFIG_SOC_EXYNOS4412 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

SAMSUNG EXYNOS4412

configname: CONFIG_SOC_EXYNOS4412

Linux Kernel Configuration
└─>SAMSUNG EXYNOS SoCs Support
└─>SAMSUNG EXYNOS4412
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Enable EXYNOS4412 SoC support