nfp: flower: fix typo in comment

Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/nfp/flower/lag_conf.c

@@ -576,7 +576,7 @@ nfp_fl_lag_changeupper_event(struct nfp_fl_lag *lag,
 	group->dirty = true;
 	group->slave_cnt = slave_count;
 
-	/* Group may have been on queue for removal but is now offfloable. */
+	/* Group may have been on queue for removal but is now offloable. */
 	group->to_remove = false;
 	mutex_unlock(&lag->lock);