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

CONFIG_VFIO_SPAPR_EEH (not configurable)

modulename: vfio_spapr_eeh.ko

configname: CONFIG_VFIO_SPAPR_EEH

Linux Kernel Configuration
└─>Device Drivers
└─>VFIO Non-Privileged userspace driver framework
└─>VFIO_SPAPR_EEH
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/vfio/vfio_spapr_eeh.c