default or selected kernelversion does not have config value CONFIG_EXT4DEV_FS_SECURITY.
Result is shown for kernelversion 5.3.7

Ext4dev Security Labels

configname: CONFIG_EXT4DEV_FS_SECURITY

Linux Kernel Configuration
└─>File systems
└─>Ext4dev Security Labels
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Security labels support alternative access control models
implemented by security modules like SELinux. This option
enables an extended attribute handler for file security
labels in the ext4dev/ext4 filesystem.

If you are not using a security module that requires using
extended attributes for file security labels, say N.