CONFIG_OPENRISC_BUILTIN_DTB is not available for thedefaultarchitecture x86.
Result is shown for architecture openrisc
default or selected kernelversion does not have config value CONFIG_OPENRISC_BUILTIN_DTB.
Result is shown for kernelversion 6.9.9

Builtin DTB

configname: CONFIG_OPENRISC_BUILTIN_DTB

Linux Kernel Configuration
└─>Processor type and features
└─>Builtin DTB
In linux kernel since version 3.1 (release Date: 2011-10-24)