Revert "net: eth-uclass: Change uclass driver name to ethernet"

This reverts commit 1231184c.

While the change is fine in theory, a number of tests need to be updated
to match.
Signed-off-by: NTom Rini <trini@konsulko.com>

net/eth-uclass.c

@@ -597,8 +597,8 @@ static int eth_pre_remove(struct udevice *dev)
 	return 0;
 }
 
-UCLASS_DRIVER(ethernet) = {
-	.name		= "ethernet",
+UCLASS_DRIVER(eth) = {
+	.name		= "eth",
 	.id		= UCLASS_ETH,
 	.post_bind	= eth_post_bind,
 	.pre_unbind	= eth_pre_unbind,