CONFIG_S5P_SETUP_MIPIPHY is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_S5P_SETUP_MIPIPHY (not configurable)

modulename: setup-mipiphy.ko

configname: CONFIG_S5P_SETUP_MIPIPHY

Linux Kernel Configuration
└─>S5P_SETUP_MIPIPHY
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
Compile in common setup code for MIPI-CSIS and MIPI-DSIM devices

source code:
arch/arm/plat-s5p/setup-mipiphy.c