rt2x00: Set PWR_PIN_CFG during initialization

Add PWR_PIN_CFG initialization for rt2800usb at the same point
as rt2800pci.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rt2x00/rt2800usb.c

@@ -132,6 +132,8 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 
+	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+
 	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);