[ARM] Fix MRC cp10 and cp11 warning (#126407)
The MRC format is
MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1,
c_imm:$CRn, c_imm:$CRm, 0, pred:$p
The $cop is the second operand.
Patch for
https://github.com/llvm/llvm-project/commit/b7d41a11cd31388e8b542b2d881f5c9d7130b95e.
