default or selected kernelversion does not have config value CONFIG_GENERIC_IDLE_POLL_SETUP.
Result is shown for kernelversion 6.9.9

CONFIG_GENERIC_IDLE_POLL_SETUP (not configurable)

configname: CONFIG_GENERIC_IDLE_POLL_SETUP

Linux Kernel Configuration
└─>General architecture-dependent options
└─>GENERIC_IDLE_POLL_SETUP
In linux kernel since version 3.1 (release Date: 2011-10-24)