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

CONFIG_ARM_HAS_SG_CHAIN (not configurable)

configname: CONFIG_ARM_HAS_SG_CHAIN

Linux Kernel Configuration
└─>ARM_HAS_SG_CHAIN
In linux kernel since version 3.1 (release Date: 2011-10-24)  
is depended by
CONFIG_ARCH_MULTIPLATFORM