r8152: fix the autosuspend doesn't work

Set supports_autosuspend = 1 for the rtl8152_cfgselector_driver.

Fixes: ec51fbd1b8 ("r8152: add USB device driver for config selection")
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/usb/r8152.c

@@ -9910,6 +9910,7 @@ static struct usb_device_driver rtl8152_cfgselector_driver = {
 	.probe =	rtl8152_cfgselector_probe,
 	.id_table =	rtl8152_table,
 	.generic_subclass = 1,
+	.supports_autosuspend = 1,
 };
 
 static int __init rtl8152_driver_init(void)