CONFIG_EXYNOS4_SETUP_I2C5 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_EXYNOS4_SETUP_I2C5 (not configurable)

modulename: setup-i2c5.ko

configname: CONFIG_EXYNOS4_SETUP_I2C5

Linux Kernel Configuration
└─>EXYNOS4_SETUP_I2C5
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
Common setup code for i2c bus 5.

source code:
arch/arm/mach-exynos4/setup-i2c5.c
depends
CONFIG_ARCH_EXYNOS4 |
| CONFIG_EXYNOS_ATAGS