CONFIG_BFIN_HYSTERESIS_CONTROL is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin

Enable Hysteresis Control

configname: CONFIG_BFIN_HYSTERESIS_CONTROL

Linux Kernel Configuration
└─>BF527 Specific Configuration
└─>Enable Hysteresis Control
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
The ADSP-BF52x allows to control input hysteresis for Port F,
Port G and Port H and other processor signal inputs.
The Schmitt trigger enables can be set only for pin groups.
Saying Y will overwrite the default reset or boot loader
initialization.

depends
CONFIG_BF52x or CONFIG_BF51x