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

CONFIG_ARCH_DAVINCI_DMx (not configurable)

configname: CONFIG_ARCH_DAVINCI_DMx

Linux Kernel Configuration
└─>TI DaVinci
└─>ARCH_DAVINCI_DMx
In linux kernel since version 2.6.32 (release Date: 2009-12-02)