i40e_bm: fix compiler error in debug message

sims/nic/i40e_bm/i40e_hmc.cc

@@ -135,7 +135,7 @@ void host_mem_cache::issue_mem_op(mem_op &op) {
 
 #ifdef DEBUG_HMC
   std::cerr << "hmc issue_mem_op: hmc_addr=" << addr
-            << " dma_addr=" << op.dma_addr << " len=" << op.len << std::endl;
+            << " dma_addr=" << op.dma_addr_ << " len=" << op.len_ << std::endl;
 #endif
   runner->IssueDma(op);
 }

sims/nic/i40e_bm/i40e_lan.cc

@@ -430,7 +430,7 @@ void lan_queue_tx::do_writeback(uint32_t first_idx, uint32_t first_pos,
     dma->dma_addr_ = hwb_addr;
 
 #ifdef DEBUG_LAN
-    log << " hwb=" << *((uint32_t *)dma->data) << logger::endl;
+    log << " hwb=" << *((uint32_t *)dma->data_) << logger::endl;
 #endif
     runner->IssueDma(*dma);
   }