r8169: silence sparse warning in rtl8169_start_xmit

The opts[] array is of type u32. Therefore remove the wrong
cpu_to_le32(). The opts[] array members are converted to little endian
later when being assigned to the respective descriptor fields.

This is not a new issue, it just popped up due to r8169.c having
been renamed and more thoroughly checked. Due to the renaming
this patch applies to net-next only.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/realtek/r8169_main.c

@@ -5621,7 +5621,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
 	if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
 		goto err_stop_0;
 
-	opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(skb));
+	opts[1] = rtl8169_tx_vlan_tag(skb);
 	opts[0] = DescOwn;
 
 	if (rtl_chip_supports_csum_v2(tp)) {