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

Have instruction l.div for hardware divide

configname: CONFIG_OPENRISC_HAVE_INST_DIV

Linux Kernel Configuration
└─>Processor type and features
└─>Class II Instructions
└─>Have instruction l.div for hardware divide
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Select this if your implementation has a hardware divide instruction