default or selected kernelversion does not have config value CONFIG_BFIN_OTP_WRITE_ENABLE.
Result is shown for kernelversion 6.7-rc3

Enable writing support of OTP pages

configname: CONFIG_BFIN_OTP_WRITE_ENABLE

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Enable writing support of OTP pages
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
If you say Y here, you will enable support for writing of the
OTP pages. This is dangerous by nature as you can only program
the pages once, so only enable this option when you actually
need it so as to not inadvertently clobber data.

If unsure, say N.

depends
CONFIG_BFIN_OTP