CONFIG_MACH_OX810SE is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Support OX810SE Based Products
configname: CONFIG_MACH_OX810SE
Linux Kernel Configuration
└─>Oxford Semiconductor OXNAS Family SoCs
└─>Support OX810SE Based Products
In linux kernel since version 4.1 (release Date: 2015-06-21)
Include Support for the Oxford Semiconductor OX810SE SoC Based Products.