default or selected kernelversion does not have config value CONFIG_ZCRYPT_MONOLITHIC.
Result is shown for kernelversion 6.2.5

Monolithic zcrypt module

configname: CONFIG_ZCRYPT_MONOLITHIC

Linux Kernel Configuration
└─>Cryptographic API
└─>Hardware crypto devices
└─>Monolithic zcrypt module
In linux kernel since version 2.6.22 (release Date: 2007-07-08)  
Select this option if you want to have a single module z90crypt,
that contains all parts of the crypto device driver (ap bus,
request router and all the card drivers).