CONFIG_S5P_DEV_CSIS0 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_S5P_DEV_CSIS0 (not configurable)

configname: CONFIG_S5P_DEV_CSIS0

Linux Kernel Configuration
└─>S5P_DEV_CSIS0
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
Compile in platform device definitions for MIPI-CSIS channel 0