lan78xx: Add PHYLIB and MICROCHIP_PHY as default config.

Add PHYLIB and MICROCHIP_PHY as default configuration for lan78xx.
Signed-off-by: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/usb/Kconfig

@@ -109,6 +109,8 @@ config USB_RTL8152
 config USB_LAN78XX
 	tristate "Microchip LAN78XX Based USB Ethernet Adapters"
 	select MII
+	select PHYLIB
+	select MICROCHIP_PHY
 	help
 	  This option adds support for Microchip LAN78XX based USB 2
 	  & USB 3 10/100/1000 Ethernet adapters.