since this macro isn't check from host side after:
commit cee43ce280cfe1e704a16d860cf5087a8e014838
Author: Xiang Xiao <xiaoxiang@xiaomi.com>
Date: Fri Jul 16 02:23:59 2021 +0800
arch/sim: Initialize the idle thread stack info correctly
and change the default value of IDLETHREAD_STACKSIZE to 65536
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>