CONFIG_SOC_SAM9X60 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
SAM9X60
modulename: sam9x60.ko
configname: CONFIG_SOC_SAM9X60
Linux Kernel Configuration
└─>AT91/Microchip SoCs
└─>SAM9X60
In linux kernel since version 4.14.326 (release Date: 2023-09-23)
Select this if you are using Microchip's SAM9X60 SoC