default or selected kernelversion does not have config value CONFIG_LBD.
Result is shown for kernelversion 5.4.123

Support for Large Block Devices

configname: CONFIG_LBD

Linux Kernel Configuration
└─>Support for Large Block Devices
In linux kernel since version 2.6.15 (release Date: 2006-01-02)  
Say Y here if you want to attach large (bigger than 2TB) discs to
your machine, or if you want to have a raid or loopback device
bigger than 2TB. Otherwise say N.