CONFIG_ARM64_MODULE_PLTS is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64

CONFIG_ARM64_MODULE_PLTS (not configurable)

modulename: module-plts.ko

configname: CONFIG_ARM64_MODULE_PLTS

Linux Kernel Configuration
└─>Kernel Features
└─>ARM64_MODULE_PLTS
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:

depends
 or CONFIG_MODULES