default or selected kernelversion does not have config value CONFIG_SERIAL_MPSC_CONSOLE.
Result is shown for kernelversion 6.9.9
Support for console on Marvell MPSC serial port
configname: CONFIG_SERIAL_MPSC_CONSOLE
Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Support for console on Marvell MPSC serial port
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
Say Y here if you want to support a serial console on a Marvell MPSC.