CsrPlugin add API to implement CSR in a decoupled way. (very low level api) #174
CsrPlugin add API to implement CSR in a decoupled way. (very low level api) #174

SpinalHDL/VexRiscv,SpinalHDL/VexRiscv,SpinalHDL/VexRiscv,SpinalHDL/VexRiscv,SpinalHDL/VexRiscv