bnxt_en: convert to xdp_do_flush

The xdp_do_flush_map function has been replaced with the more general
xdp_do_flush().
Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -2429,7 +2429,7 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
 	}
 
 	if (event & BNXT_REDIRECT_EVENT)
-		xdp_do_flush_map();
+		xdp_do_flush();
 
 	if (event & BNXT_TX_EVENT) {
 		struct bnxt_tx_ring_info *txr = bnapi->tx_ring;