CONFIG_EARLY_SCIF_CONSOLE is not available for thedefaultarchitecture x86.
Result is shown for architecture sh
default or selected kernelversion does not have config value CONFIG_EARLY_SCIF_CONSOLE.
Result is shown for kernelversion 5.4.159

Use early SCIF console

configname: CONFIG_EARLY_SCIF_CONSOLE

Linux Kernel Configuration
└─>Kernel hacking
└─>Use early SCIF console
In linux kernel since version 2.6.12  
This enables an early console using a fixed SCIF port. This can
be used by platforms that are either not running the SH
standard BIOS, or do not wish to use the BIOS callbacks for the
serial I/O.