CONFIG_ARCH_MSM_DT is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_ARCH_MSM_DT (not configurable)

modulename: board-dt.ko

configname: CONFIG_ARCH_MSM_DT

Linux Kernel Configuration
└─>ARCH_MSM_DT
In linux kernel since version 3.13 (release Date: 2014-01-19)  
source code:
arch/arm/mach-msm/board-dt.c
selects
CONFIG_SPARSE_IRQ
CONFIG_USE_OF