Added HW threads - Infinite loop + fixed valid

rtl/VX_e_m_reg.v

@@ -23,7 +23,7 @@ module VX_e_m_reg (
 		input wire        in_jal,
 		input wire[31:0]  in_jal_dest,
 		input wire        in_freeze,
-		input wire[`NT_M1:0] in_valid,
+		input wire        in_valid[`NT_M1:0],
 
 		output wire[11:0] out_csr_address,
 		output wire       out_is_csr,
@@ -42,7 +42,7 @@ module VX_e_m_reg (
 		output wire       out_jal,
 		output wire[31:0] out_jal_dest,
 		output wire[31:0] out_PC_next,
-		output wire[`NT_M1:0] out_valid
+		output wire       out_valid[`NT_M1:0]
 	);
 
 
@@ -63,7 +63,7 @@ module VX_e_m_reg (
 		reg[2:0]  branch_type;
 		reg       jal;
 		reg[31:0] jal_dest;
-		reg[`NT_M1:0] valid;
+		reg       valid[`NT_M1:0];
 
 		// reg[31:0] reg_data_z[`NT_T2_M1:0];
 		// reg[`NT_M1:0] valid_z;