rt2x00: Update TX_SW_CFG initvals for 305x SoC

Update TX_SW_CFG initvals for 305x SoC to match with the appropriate
legacy driver.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>

drivers/net/wireless/rt2x00/rt2800lib.c

@@ -1346,6 +1346,10 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
 			rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
 			rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
 		}
+	} else if (rt2800_is_305x_soc(rt2x00dev)) {
+		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000001f);
 	} else {
 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);