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>
diff --git a/board/CZ.NIC/turris_omnia/turris_omnia.c b/board/CZ.NIC/turris_omnia/turris_omnia.c
index f63e3b6..af66837 100644
--- a/board/CZ.NIC/turris_omnia/turris_omnia.c
+++ b/board/CZ.NIC/turris_omnia/turris_omnia.c
@@ -515,17 +515,17 @@
 	mac[5] = mac1[3];
 
 	if (is_valid_ethaddr(mac))
-		eth_setenv_enetaddr("ethaddr", mac);
+		eth_env_set_enetaddr("ethaddr", mac);
 
 	increment_mac(mac);
 
 	if (is_valid_ethaddr(mac))
-		eth_setenv_enetaddr("eth1addr", mac);
+		eth_env_set_enetaddr("eth1addr", mac);
 
 	increment_mac(mac);
 
 	if (is_valid_ethaddr(mac))
-		eth_setenv_enetaddr("eth2addr", mac);
+		eth_env_set_enetaddr("eth2addr", mac);
 
 out:
 #endif