support simulation tools by x-epic

[isaac2077]

Related component: simulation framework

Is your feature request related to a problem? Please describe.
We are working with Beijing Institute of Open Source Chip on improving verification efficiency of xiangshan opensrc based on simulation, prototyping and emulation. for simulation part, support x-epic Galaxsim and Galaxsim-Turbo.

Describe the solution you'd like
#643
OpenXiangShan/XiangShan#4893

[poemonsense]

We're in Shanghai for RISC-V Summit these days. I will respond to the PR ASAP

[poemonsense]

Wait for public CI