CONFIG_ARC_DCCM_BASE is not available for thedefaultarchitecture x86.
Result is shown for architecture arc

DCCM map address

configname: CONFIG_ARC_DCCM_BASE

Linux Kernel Configuration
└─>ARC Architecture Configuration
└─>ARC CPU Configuration
└─>DCCM map address
In linux kernel since version 3.1 (release Date: 2011-10-24)