CONFIG_CPU_32v7 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_CPU_32v7 (not configurable)

configname: CONFIG_CPU_32v7

Linux Kernel Configuration
└─>CPU_32v7
In linux kernel since version 2.6.22 (release Date: 2007-07-08)  
is selected by
CONFIG_ARM_LPAE

is depended by
CONFIG_CPU_V7