CONFIG_DEBUG_LL_UART_NONE is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_DEBUG_LL_UART_NONE.
Result is shown for kernelversion 6.5.1

No low-level debugging UART


Kernel low-level debugging port
└─>No low-level debugging UART
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say Y here if your platform doesn't provide a UART option
above. This relies on your platform choosing the right UART
definition internally in order for low-level debugging to