sfc: Move Falcon NIC operations to efx_nic_type

This is preparation for adding differing implementations for new NICs.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index d3da360..49e0aed 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -649,7 +649,7 @@
 
 	efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive);
 	efx_for_each_channel(channel, efx)
-		falcon_set_int_moderation(channel);
+		efx->type->push_irq_moderation(channel);
 
 	return 0;
 }