kernelconfig_penguin
CONFIG_DEBUG_BCM_KONA_UART is not available for the default architecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_DEBUG_BCM_KONA_UART.
Result is shown for kernelversion 6.0-rc7

Kernel low-level debugging messages via BCM KONA UART

configname: CONFIG_DEBUG_BCM_KONA_UART

Kernel low-level debugging port
└─> Kernel low-level debugging messages via BCM KONA UART

Say Y here if you want kernel low-level debugging support
on Broadcom SoC platforms.
This low level debug works for Broadcom
mobile SoCs in the Kona family of chips (e.g. bcm28155,
bcm11351, etc...)