CONFIG_S5P_DEV_JPEG is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_S5P_DEV_JPEG (not configurable)

configname: CONFIG_S5P_DEV_JPEG

Linux Kernel Configuration
└─>S5P_DEV_JPEG
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Compile in platform device definitions for JPEG codec