CONFIG_H8300H_SIM is not available for thedefaultarchitecture x86.
Result is shown for architecture h8300

H8/300H Simulator

modulename: sim-console.ko

and/or

configname: CONFIG_H8300H_SIM

H8/300 platform
└─>H8/300H Simulator
In linux kernel since version 2.6.12  
GDB Simulator Support
More Information.
<http://sourceware.org/sid/>