CONFIG_MACH_MESON6 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Amlogic Meson6 (8726MX) SoCs support
configname: CONFIG_MACH_MESON6
Linux Kernel Configuration
└─>Amlogic Meson SoCs
└─>Amlogic Meson6 (8726MX) SoCs support