r8169: let rtl8169_mark_to_asic clear rx descriptor field opts2

Clearing opts2 belongs to preparing the descriptor for DMA engine use.
Therefore move it into rtl8169_mark_to_asic().
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/realtek/r8169_main.c

@@ -3889,6 +3889,7 @@ static inline void rtl8169_mark_to_asic(struct RxDesc *desc)
 {
 	u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
 
+	desc->opts2 = 0;
 	/* Force memory writes to complete before releasing descriptor */
 	dma_wmb();
 
@@ -4543,7 +4544,6 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
 			u64_stats_update_end(&tp->rx_stats.syncp);
 		}
 release_descriptor:
-		desc->opts2 = 0;
 		rtl8169_mark_to_asic(desc);
 	}