feat(riscv64): Support RISC-V Zfa extension

* Support fli.{h.s.d}, fminm.{h.s.d}, fmaxm.{h.s.d}
* Support fround.{h.s.d}, froundnx.{h.s.d}, fcvtmod.w.d
* Support fleq.{h.s.d}, fltq.{h.s.d}

zfhmin:add zfhmin extensions

*decode unit adds decoding of zfhmin extension related instructions
*Re exemplified the functional units for scalar fpcvt

perf: use perfUtils in `Utility` (#3190)

Currently, log and perf utilities such as `XSPerfAccumulate` are
implemented in many repositories like XiangShan, CoupledL2 and HuanCun.
This PR unifies th

perf: use perfUtils in `Utility` (#3190)

Currently, log and perf utilities such as `XSPerfAccumulate` are
implemented in many repositories like XiangShan, CoupledL2 and HuanCun.
This PR unifies them and put them in Utility repository.

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FCVT: result box

FCVT: fix bug of move result

Fu: add fp fu wrapper