Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c
index 4f158ba..77063f9 100644
--- a/drivers/net/mlx4/en_netdev.c
+++ b/drivers/net/mlx4/en_netdev.c
@@ -247,7 +247,7 @@
 							       priv->port);
 			if (err)
 				en_err(priv, "Failed enabling "
-					     "promiscous mode\n");
+					     "promiscuous mode\n");
 
 			/* Disable port multicast filter (unconditionally) */
 			err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
@@ -276,7 +276,7 @@
 	}
 
 	/*
-	 * Not in promiscous mode
+	 * Not in promiscuous mode
 	 */
 
 	if (priv->flags & MLX4_EN_FLAG_PROMISC) {
@@ -292,14 +292,14 @@
 			err = mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn,
 							  priv->port);
 		if (err)
-			en_err(priv, "Failed disabling promiscous mode\n");
+			en_err(priv, "Failed disabling promiscuous mode\n");
 
 		/* Disable Multicast promisc */
 		if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
 			err = mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn,
 							    priv->port);
 			if (err)
-				en_err(priv, "Failed disabling multicast promiscous mode\n");
+				en_err(priv, "Failed disabling multicast promiscuous mode\n");
 			priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
 		}
 
@@ -331,7 +331,7 @@
 			err = mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn,
 							    priv->port);
 			if (err)
-				en_err(priv, "Failed disabling multicast promiscous mode\n");
+				en_err(priv, "Failed disabling multicast promiscuous mode\n");
 			priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
 		}