CONFIG_OPENRISC_HAVE_INST_RORI is not available for thedefaultarchitecture x86.
Result is shown for architecture openrisc

Have instruction l.rori for rotate right with immediate

configname: CONFIG_OPENRISC_HAVE_INST_RORI

Linux Kernel Configuration
└─>Processor type and features
└─>Class II Instructions
└─>Have instruction l.rori for rotate right with immediate
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This config enables gcc to generate l.rori instructions when compiling
the kernel which in general will improve performance and reduce the
binary size.

Select this if your implementation has support for the Class II
l.rori rotate right with immediate instruction.

Say N if you are unsure.