feat: build hermit with fast-jit wamr

[G4Vi]

fast interp:

gavin@teleporter:~/dev/hermit$ time ./interp-hermit.com -f src/ubuntu/Hermitfile -o interp-ubuntu.hermit.com
{
  "MAP": [
    "/"
  ],
  "ENV_PWD_IS_HOST_CWD": true,
  "FROM": "src/ubuntu/ubuntu.wasm"
}
Unable to make "interp-ubuntu.hermit.com" executable!
Due to platform limitations you must do it yourself! Run:
chmod +x "interp-ubuntu.hermit.com"

real    1m20.106s
user    1m19.929s
sys     0m0.173s

fast jit:

gavin@teleporter:~/dev/hermit$ time ./fastjit-hermit.com -f src/ubuntu/Hermitfile -o fastjit-ubuntu.hermit.com
{
  "MAP": [
    "/"
  ],
  "ENV_PWD_IS_HOST_CWD": true,
  "FROM": "src/ubuntu/ubuntu.wasm"
}
Unable to make "fastjit-ubuntu.hermit.com" executable!
Due to platform limitations you must do it yourself! Run:
chmod +x "fastjit-ubuntu.hermit.com"

real    0m15.116s
user    0m15.142s
sys     0m0.383s