CONFIG_ARCH_MESON is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64

Amlogic Platforms

modulename: meson.ko

configname: CONFIG_ARCH_MESON

Linux Kernel Configuration
└─>Platform selection
└─>Amlogic Platforms
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This enables support for the arm64 based Amlogic SoCs
such as the s905, S905X/D, S912, A113X/D or S905X/D2