CONFIG_ARCH_BCMBCA_CORTEXA7 is not available for the default architecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_ARCH_BCMBCA_CORTEXA7.
Result is shown for kernelversion 6.0-rc7

Cortex-A7 SoCs


Linux Kernel Configuration
└─> Broadcom SoC Support
└─> Broadcom Broadband Carrier Access (BCA) origin SoC
└─> Cortex-A7 SoCs

Say Y if you intend to run the kernel on a Broadcom Broadband ARM A7
based chipset.

This enables support for Broadcom BCA ARM A7 broadband chipsets,
including various DSL, PON and Wireless family of chips.