net: usb: r8152: constify usb_device_id

usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/usb/r8152.c

@@ -5303,7 +5303,7 @@ static void rtl8152_disconnect(struct usb_interface *intf)
 	.bInterfaceProtocol = USB_CDC_PROTO_NONE
 
 /* table of devices that work with this driver */
-static struct usb_device_id rtl8152_table[] = {
+static const struct usb_device_id rtl8152_table[] = {
 	{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8050)},
 	{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8152)},
 	{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)},