r8169: perform RX config change after mac filtering

It does not really make sense to update the RX config register
before the mac filtering registers.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 7aa9cf4..982a901 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2953,10 +2953,11 @@
 		mc_filter[1] = 0xffffffff;
 	}
 
-	RTL_W32(RxConfig, tmp);
 	RTL_W32(MAR0 + 0, mc_filter[0]);
 	RTL_W32(MAR0 + 4, mc_filter[1]);
 
+	RTL_W32(RxConfig, tmp);
+
 	spin_unlock_irqrestore(&tp->lock, flags);
 }