Problem 2 We wish to add the instruction addi which is described in Section 2.5 of the textbook to the single-cycle datapath shown below. If necessary add any datapaths and control signals to the datapath and show the necessary additions to the table of control lines. Add ALU Add result Shift left 2 RegDst Instruction [31-26 Control 25-21 Read PC Read address (20-1 Zero register 2 Write Read ALU ALU. (31-0 Instruction|||instructon[15-1111 -ww. data2| resuit Address Read data data Registers Data data 16 sign instruction [15-01 ALU control Instruction [5-0 Instruction RegDst ALUSrc MemtoReg Reg Write Mem Read Mem Write Branch ALUOp1 ALUO addi