net: stmmac: Add missing information in DebugFS capabilities file

Adds more information regarding HW Capabilities in the corresponding
DebugFS file.

Changes from v2:
- Remove the TX/RX queues in use (Jakub)
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -4365,6 +4365,12 @@ static int stmmac_dma_cap_show(struct seq_file *seq, void *v)
 		   priv->dma_cap.l3l4fnum);
 	seq_printf(seq, "\tARP Offloading: %s\n",
 		   priv->dma_cap.arpoffsel ? "Y" : "N");
+	seq_printf(seq, "\tEnhancements to Scheduled Traffic (EST): %s\n",
+		   priv->dma_cap.estsel ? "Y" : "N");
+	seq_printf(seq, "\tFrame Preemption (FPE): %s\n",
+		   priv->dma_cap.fpesel ? "Y" : "N");
+	seq_printf(seq, "\tTime-Based Scheduling (TBS): %s\n",
+		   priv->dma_cap.tbssel ? "Y" : "N");
 	return 0;
 }
 DEFINE_SHOW_ATTRIBUTE(stmmac_dma_cap);