CONFIG_SOC_SAMA5 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_SOC_SAMA5 (not configurable)
configname: CONFIG_SOC_SAMA5
Linux Kernel Configuration
└─>SOC_SAMA5
In linux kernel since version 3.1 (release Date: 2011-10-24)
selects
CONFIG_AT91_SAM9_TIMECONFIG_CPU_V7
CONFIG_GENERIC_CLOCKEVENTS
CONFIG_MULTI_IRQ_HANDLER
CONFIG_SPARSE_IRQ
CONFIG_USE_OF