Regs: Fix regfile response ready assignment

Author: Georg Rutishauser

src/frontend/reg/tpl/idma_reg.sv.tpl

@@ -121,7 +121,7 @@ module idma_${identifier} #(
     always_comb begin : proc_dma_backpressure
       // ready signal
       dma_ctrl_rsp_o[i]       = dma_ctrl_rsp[i];
-      dma_ctrl_rsp_o[i].ready = read_happens ? arb_ready[i] : dma_ctrl_rsp[i];
+      dma_ctrl_rsp_o[i].ready = read_happens ? arb_ready[i] : dma_ctrl_rsp[i].ready;
     end
 
     // valid signals