sfc: Add EF10 support for TX/RX DMA error events handling.

Also, since we handle all DMA errors in the same way, merge
RESET_TYPE_(RX|TX)_DESC_FETCH into RESET_TYPE_DMA_ERROR.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c
index b6af8f4..d21483d 100644
--- a/drivers/net/ethernet/sfc/farch.c
+++ b/drivers/net/ethernet/sfc/farch.c
@@ -832,7 +832,7 @@
 		efx_farch_notify_tx_desc(tx_queue);
 		netif_tx_unlock(efx->net_dev);
 	} else if (EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_PKT_ERR)) {
-		efx_schedule_reset(efx, RESET_TYPE_TX_DESC_FETCH);
+		efx_schedule_reset(efx, RESET_TYPE_DMA_ERROR);
 	} else {
 		netif_err(efx, tx_err, efx->net_dev,
 			  "channel %d unexpected TX event "
@@ -1217,7 +1217,7 @@
 				  "RX DMA Q %d reports descriptor fetch error."
 				  " RX Q %d is disabled.\n", ev_sub_data,
 				  ev_sub_data);
-			efx_schedule_reset(efx, RESET_TYPE_RX_DESC_FETCH);
+			efx_schedule_reset(efx, RESET_TYPE_DMA_ERROR);
 		} else
 			efx_sriov_desc_fetch_err(efx, ev_sub_data);
 		break;
@@ -1227,7 +1227,7 @@
 				  "TX DMA Q %d reports descriptor fetch error."
 				  " TX Q %d is disabled.\n", ev_sub_data,
 				  ev_sub_data);
-			efx_schedule_reset(efx, RESET_TYPE_TX_DESC_FETCH);
+			efx_schedule_reset(efx, RESET_TYPE_DMA_ERROR);
 		} else
 			efx_sriov_desc_fetch_err(efx, ev_sub_data);
 		break;