CONFIG_MACH_IMX31_DT is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Support i.MX31 platforms from device tree
modulename: imx31-dt.ko
configname: CONFIG_MACH_IMX31_DT
Linux Kernel Configuration
└─>Freescale i.MX family
└─>Support i.MX31 platforms from device tree
In linux kernel since version 3.1 (release Date: 2011-10-24)
Include support for Freescale i.MX31 based platforms
using the device tree for discovery.
using the device tree for discovery.