CONFIG_NONSTATIC_KERNEL is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

CONFIG_NONSTATIC_KERNEL (not configurable)

configname: CONFIG_NONSTATIC_KERNEL

Linux Kernel Configuration
└─>NONSTATIC_KERNEL
In linux kernel since version 3.1 (release Date: 2011-10-24)  
is depended by
CONFIG_DYNAMIC_MEMSTART