The list of related kernel configurations

The premise of this list : NuttX12.4.0, cxd56xx, non-SMP and Flat build.

I found following kernel configurations by analyzing the boot sequence. I think it is good to consider them, although almost of them might be set as default.

Category	Item	Comment
Memory Map	CONFIG_RAM_START	arch/Kconfig
	CONFIG_RAM_SIZE
	CONFIG_IDLETHREAD_STACKSIZE	sched/Kconfig
	CONFIG_MM_REGIONS	mm/Kconfig
	CONFIG_ARCH_HAVE_EXTRA_HEAPS	arch/Kconfig
Interrupt	CONFIG_ARCH_RAMVECTORS	arch/Kconfig
	CONFIG_ARCH_IRQPRIO
	CONFIG_ARCH_INTERRUPTSTACK
	CONFIG_SUPPRESS_INTERRUPTS
	CONFIG_SUPPRESS_TIMER_INTS
	CONFIG_IRQCHAIN	sched/Kconfig
Timer	CONFIG_SYSTEMTICK_EXTCLK	sched/Kconfig
	CONFIG_SCHED_TICKLESS
Serial	CONFIG_STANDARD_SERIAL	serial/Kconfig
	CONFIG_DEV_CONSOLE	sched/Kconfig
Board	CONFIG_BOARD_EARLY_INITIALIZE	sched/Kconfig
	CONFIG_BOARD_LATE_INITIALIZE
	CONFIG_INIT_ENTRYPOINT
POSIX API	CONFIG_PRIORITY_INHERITANCE	sched/Kconfig
	CONFIG_SEM_PREALLOCHOLDERS
	CONFIG_DISABLE_MQUEUE
	CONFIG_DISABLE_MQUEUE_SYSV
	CONFIG_PREALLOC_MQ_MSGS
	CONFIG_PREALLOC_MQ_IRQ_MSGS
	CONFIG_MQ_MAXMSGSIZE