net: broadcom: bcm4908_enet: fix endianness in xmit code

Use le32_to_cpu() for reading __le32 struct field filled by hw.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bcm4908_enet.c

@@ -476,7 +476,7 @@ static int bcm4908_enet_start_xmit(struct sk_buff *skb, struct net_device *netde
 	/* Free transmitted skbs */
 	while (ring->read_idx != ring->write_idx) {
 		buf_desc = &ring->buf_desc[ring->read_idx];
-		if (buf_desc->ctl & DMA_CTL_STATUS_OWN)
+		if (le32_to_cpu(buf_desc->ctl) & DMA_CTL_STATUS_OWN)
 			break;
 		slot = &ring->slots[ring->read_idx];