CONFIG_SOC_SAMA5D3 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
SAMA5D3 family
modulename: sama5d3.ko
and/orconfigname: CONFIG_SOC_SAMA5D3
Linux Kernel Configuration
└─>Atmel SoCs
└─>SAMA5D3 family
In linux kernel since version 3.1 (release Date: 2011-10-24)
Select this if you are using one of Atmel's SAMA5D3 family SoC.
This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.
This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.