CONFIG_DEBUG_LPC32XX is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Kernel low-level debugging messages via NXP LPC32xx UART
configname: CONFIG_DEBUG_LPC32XX
Kernel low-level debugging port
└─>Kernel low-level debugging messages via NXP LPC32xx UART
In linux kernel since version 4.1 (release Date: 2015-06-21)
Say Y here if you want kernel low-level debugging support
on NXP LPC32xx based platforms.
on NXP LPC32xx based platforms.