CONFIG_AT91_EARLY_DBGU1 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_AT91_EARLY_DBGU1.
Result is shown for kernelversion 5.3.7
DBGU on 9263 and 9g45
configname: CONFIG_AT91_EARLY_DBGU1
Select a UART for early kernel messages
└─>DBGU on 9263 and 9g45