CONFIG_MACH_ARMADA_375 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Marvell Armada 375 boards
configname: CONFIG_MACH_ARMADA_375
Linux Kernel Configuration
└─>Marvell EBU SoC variants
└─>Marvell Armada 375 boards
In linux kernel since version 3.10 (release Date: 2013-06-30)
Say 'Y' here if you want your kernel to support boards based
on the Marvell Armada 375 SoC with device tree.
on the Marvell Armada 375 SoC with device tree.