CONFIG_HAS_RAPIDIO is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

CONFIG_HAS_RAPIDIO (not configurable)

configname: CONFIG_HAS_RAPIDIO

Linux/PowerPC Kernel Configuration
└─>Bus options
└─>HAS_RAPIDIO
In linux kernel since version 2.6.26 (release Date: 2008-07-13)