CONFIG_USE_GENERIC_EARLY_PRINTK_8250 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
CONFIG_USE_GENERIC_EARLY_PRINTK_8250 (not configurable)
configname: CONFIG_USE_GENERIC_EARLY_PRINTK_8250
Linux Kernel Configuration
└─>Kernel hacking
└─>USE_GENERIC_EARLY_PRINTK_8250