CONFIG_ARCH_MULTI_V4 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

ARMv4 based platforms (FA526, StrongARM)

configname: CONFIG_ARCH_MULTI_V4

Linux Kernel Configuration
└─>System Type
└─>Multiple platform selection
└─>ARMv4 based platforms (FA526, StrongARM)
In linux kernel since version 3.1 (release Date: 2011-10-24)