CONFIG_HP_SIMSERIAL_CONSOLE is not available for thedefaultarchitecture x86.
Result is shown for architecture ia64
default or selected kernelversion does not have config value CONFIG_HP_SIMSERIAL_CONSOLE.
Result is shown for kernelversion 6.9.9

Console for HP simulator

modulename: hpsim_console.ko

configname: CONFIG_HP_SIMSERIAL_CONSOLE

Linux Kernel Configuration
└─>HP Simulator drivers
└─>Console for HP simulator
In linux kernel since version 2.6.12  
source code:
arch/ia64/hp/sim/hpsim_console.c