CONFIG_MXS_OCOTP is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_MXS_OCOTP.
Result is shown for kernelversion 6.2.5

CONFIG_MXS_OCOTP (not configurable)

modulename: ocotp.ko

configname: CONFIG_MXS_OCOTP

Linux Kernel Configuration
└─>MXS_OCOTP
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
source code:
arch/arm/mach-mxs/ocotp.c
depends
CONFIG_ARCH_MXS

is depended by
CONFIG_MACH_MX28EVK