default or selected kernelversion does not have config value CONFIG_IWL4965_SENSITIVITY.
Result is shown for kernelversion 5.19-rc1

Enable Sensitivity Calibration in iwl4965 driver

configname: CONFIG_IWL4965_SENSITIVITY

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Wireless LAN
└─>Enable Sensitivity Calibration in iwl4965 driver
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
This option will enable sensitivity calibration for the iwl4965
driver.