Add support for SMSC95XX USB 2.0 10/100MBit Ethernet Adapter

The SMSC95XX is a USB hub with a built-in Ethernet adapter. This adds support
for this, using the USB host network framework.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Eric BĂ©nard <eric@eukrea.com>
diff --git a/drivers/usb/eth/Makefile b/drivers/usb/eth/Makefile
index a8e9eff..51b5b46 100644
--- a/drivers/usb/eth/Makefile
+++ b/drivers/usb/eth/Makefile
@@ -28,6 +28,7 @@
 ifdef CONFIG_USB_ETHER_ASIX
 COBJS-y += asix.o
 endif
+COBJS-$(CONFIG_USB_ETHER_SMSC95XX) += smsc95xx.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)