kernelconfig_penguin
CONFIG_AT91_EARLY_DBGU is not available for the default architecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_AT91_EARLY_DBGU.
Result is shown for kernelversion 3.19.8

DBGU

configname: CONFIG_AT91_EARLY_DBGU

Select a UART for early kernel messages
└─> DBGU