CONFIG_ARCH_MULTI_V7 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)
configname: CONFIG_ARCH_MULTI_V7
Linux Kernel Configuration
└─>Platform selection
└─>ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)