CONFIG_ARCH_EXYNOS4 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

SAMSUNG EXYNOS4

modulename: clk-exynos4412-isp.ko

and/or

dev-audio.ko

and/or

irq-eint.ko

and/or

cpu.ko

and/or

clk-exynos4.ko

configname: CONFIG_ARCH_EXYNOS4

EXYNOS System Type
└─>SAMSUNG EXYNOS4
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
Samsung EXYNOS4 SoCs based systems

source code:
/arch/arm/mach-exynos/

depends
 or CONFIG_ARCH_EXYNOS