CONFIG_SOC_SAMA7 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_SOC_SAMA7 (not configurable)

modulename: sama7.ko

configname: CONFIG_SOC_SAMA7

Linux Kernel Configuration
└─>AT91/Microchip SoCs
└─>SOC_SAMA7
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
source code: