CONFIG_ARCH_INTEL_SOCFPGA is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64
Intel's SoCFPGA ARMv8 Families
configname: CONFIG_ARCH_INTEL_SOCFPGA
Linux Kernel Configuration
└─>Platform selection
└─>Intel's SoCFPGA ARMv8 Families
In linux kernel since version 4.14.326 (release Date: 2023-09-23)
This enables support for Intel's SoCFPGA ARMv8 families:
Stratix 10 (ex. Altera), Agilex and eASIC N5X.
Stratix 10 (ex. Altera), Agilex and eASIC N5X.