env: Rename eth_setenv_enetaddr() to eth_env_set_enetaddr()

Rename this function for consistency with env_set().

Signed-off-by: Simon Glass <sjg@chromium.org>

net/eth_legacy.c

@@ -152,8 +152,8 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
 
 		memcpy(dev->enetaddr, env_enetaddr, ARP_HLEN);
 	} else if (is_valid_ethaddr(dev->enetaddr)) {
-		eth_setenv_enetaddr_by_index(base_name, eth_number,
-					     dev->enetaddr);
+		eth_env_set_enetaddr_by_index(base_name, eth_number,
+					      dev->enetaddr);
 	} else if (is_zero_ethaddr(dev->enetaddr)) {
 #ifdef CONFIG_NET_RANDOM_ETHADDR
 		net_random_ethaddr(dev->enetaddr);