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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FuConfig: split dataBits into destDataBits and srcDataBits for distinguish input and output data width

FU: fix mgu for body elements's agnostic

* Modify the signal names about divided vector elements to be consistent with RVV Spec.

rv64v: add fire sign as enable of RegNext

rv64v: fix vxsat and vd compute for fixed-point instruction

Mgu: use sew as element width instead of eew for indexed loads/stores

vector: convert mgu's assertion to EX_II

fix merge error

assert: mgu's vl must <= vlmax

fix: use mask to generate the vxsat

modify the fix-point vector alu wrapper and mgu

vector: fix source data of vmadd and vnmsub

* The input of VIMac data module should be exchanged when opcode is vmadd or vnmsub, since source data are not exchanged in data module.

vector: fix VIMacU widen insts error

* Vector source data should be localed at high bits of vimacs.vs1|2, when widen=1 and vuopIdx is a odd number
* The odd uop of widen insts should use high part o

vector: fix VIMacU widen insts error

* Vector source data should be localed at high bits of vimacs.vs1|2, when widen=1 and vuopIdx is a odd number
* The odd uop of widen insts should use high part of vs1 and vs2.
* The eew of widen insts should be double of sew.

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vector: fix VIMacU error

vector: add VImacU wrapper and configs