kernelconfig_penguin
CONFIG_ARC_PLAT_SIM is not available for the default architecture x86.
Result is shown for architecture arc

ARC nSIM based simulation virtual platforms

configname: CONFIG_ARC_PLAT_SIM

Linux Kernel Configuration
└─> ARC nSIM based simulation virtual platforms

Support for nSIM based ARC simulation platforms
This includes the standalone nSIM (uart only) vs. System C OSCI VP