[RISCV][NFC] Rename CVROR, NFC

[realqhc]

Summary

Previous commit on ALU made an error by changing CV_ROR to CVROR. Revert it.

[craig.topper]

LGTM

llvm/lib/Target/RISCV/RISCVInstrInfoXCV.td

let Constraints = "$rd = $rd_wb" in {
     def CV_INSERTR : RVInstR<0b0011010, 0b011, OPC_CUSTOM_1, (outs GPR:$rd_wb),
                              (ins GPR:$rd, GPR:$rs1, GPR:$rs2),
                              "cv.insertr", "$rd, $rs1, $rs2">;
   }
 
   def CV_BCLRR : CVBitManipRR<0b0011100, "cv.bclrr">;
   def CV_BSETR : CVBitManipRR<0b0011101, "cv.bsetr">;
 
-  def CVROR : CVBitManipRR<0b0100000, "cv.ror">;
+  def CV_ROR : CVBitManipRR<0b0100000, "cv.ror">;
   def CV_FF1 : CVBitManipR<0b0100001, "cv.ff1">;
   def CV_FL1 : CVBitManipR<0b0100010, "cv.fl1">;
   def CV_CLB : CVBitManipR<0b0100011, "cv.clb">;
   def CV_CNT : CVBitManipR<0b0100100, "cv.cnt">;
 }
 
 class CVInstMac<bits<7> funct7, bits<3> funct3, string opcodestr>
     : RVInstR<funct7, funct3, OPC_CUSTOM_1,