CONFIG_ETEXT_SHIFT_BOOL is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
default or selected kernelversion does not have config value CONFIG_ETEXT_SHIFT_BOOL.
Result is shown for kernelversion 6.9.8

Set custom etext alignment

configname: CONFIG_ETEXT_SHIFT_BOOL

Linux Kernel Configuration
└─>Kernel options
└─>Set custom etext alignment
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This option allows you to set the kernel end of text alignment. When
RAM is mapped by blocks, the alignment needs to fit the size and
number of possible blocks. The default should be OK for most configs.

Say N here unless you know what you are doing.