interfaces(MEM.sv, DCache_Manager_Control.sv, Branch_Manager_Input.sv, Alu_Ops.sv, DReg_Info.sv, SReg_Nums.sv): Added Various Interfaces

[ShinyMiraidon]

Added the following interfaces:

• MEM (MEM.sv)
• Data Cache Manager Control (DCache_Manager_Control.sv)
• Branch Manager Input (Branch_Manager_Input.sv)
• ALU Operands (Alu_Ops.sv)
• Destination Register Info (DReg_Info.sv)
• Source Register Numbers (SReg_Nums.sv)