net/bnxt: fix unconditional wait in link update

There is an unconditional delay in link update op.
Fixed it to wait only if wait for request completion is set.

Fixes: 7bc8e9a ("net/bnxt: support async link notification")
Cc: stable@dpdk.org

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Lance Richardson <lance.richardson@broadcom.com>

drivers/net/bnxt/bnxt_ethdev.c

@@ -973,11 +973,12 @@ int bnxt_link_update_op(struct rte_eth_dev *eth_dev, int wait_to_complete)
 				"Failed to retrieve link rc = 0x%x!\n", rc);
 			goto out;
 		}
-		rte_delay_ms(BNXT_LINK_WAIT_INTERVAL);
 
-		if (!wait_to_complete)
+		if (!wait_to_complete || new.link_status)
 			break;
-	} while (!new.link_status && cnt--);
+
+		rte_delay_ms(BNXT_LINK_WAIT_INTERVAL);
+	} while (cnt--);
 
 out:
 	/* Timed out or success */