CONFIG_ARCH_MSM_DT is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Qualcomm MSM DT Support
modulename: board-dt.ko
configname: CONFIG_ARCH_MSM_DT
Linux Kernel Configuration
└─>Qualcomm MSM DT Support
In linux kernel since version 3.13 (release Date: 2014-01-19)
Support for Qualcomm's devicetree based MSM systems.