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

This reverts commit 1231184caacad32c180d7e2338a645f7dfe9571a.

While the change is fine in theory, a number of tests need to be updated
to match.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/net/eth-uclass.c b/net/eth-uclass.c
index 8a22d8b..7c2454f 100644
--- a/net/eth-uclass.c
+++ b/net/eth-uclass.c
@@ -597,8 +597,8 @@
 	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,