CONFIG_C_B0PEN is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_C_B0PEN.
Result is shown for kernelversion 6.7-rc3

Bank 0 16 bit packing enable

configname: CONFIG_C_B0PEN

Linux Kernel Configuration
└─>Blackfin Processor Options
└─>EBIU_AMGCTL Global Control
└─>Bank 0 16 bit packing enable
In linux kernel since version 2.6.24 (release Date: 2008-01-24)