default or selected kernelversion does not have config value CONFIG_SERIAL_SC26XX_CONSOLE.
Result is shown for kernelversion 6.5.1
Console on SC2681/SC2692 serial port
configname: CONFIG_SERIAL_SC26XX_CONSOLE
Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Console on SC2681/SC2692 serial port
In linux kernel since version 2.6.25 (release Date: 2008-04-16)
Support for Console on SC2681/SC2692 serial ports.