CONFIG_SOC_SAM_V7 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Cortex A5

configname: CONFIG_SOC_SAM_V7

Core type
└─>Cortex A5
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Select this if you are using one of Atmel's SAMA5D3 SoC.

depends
 or CONFIG_ARCH_AT91

is selected by
CONFIG_SOC_SAMA5D3

is depended by
CONFIG_SOC_SAMA5