kernelconfig_penguin
CONFIG_SYS_SUPPORTS_ZBOOT_UART16550 is not available for the default architecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_SYS_SUPPORTS_ZBOOT_UART16550.
Result is shown for kernelversion 6.0-rc7

CONFIG_SYS_SUPPORTS_ZBOOT_UART16550 (not configurable)

configname: CONFIG_SYS_SUPPORTS_ZBOOT_UART16550

Linux Kernel Configuration
└─> CPU selection
└─> SYS_SUPPORTS_ZBOOT_UART16550