default or selected kernelversion does not have config value CONFIG_HVC_BEAT.
Result is shown for kernelversion 6.5.1
Toshiba's Beat Hypervisor Console support
modulename: hvc_beat.ko
configname: CONFIG_HVC_BEAT
Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Toshiba's Beat Hypervisor Console support
In linux kernel since version 2.6.21.1 (release Date: 2007-04-27)
Toshiba's Cell Reference Set Beat Console device driver