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/theobroma-systems/puma_rk3399/puma-rk3399.c b/board/theobroma-systems/puma_rk3399/puma-rk3399.c
index fd3b638..733fe96 100644
--- a/board/theobroma-systems/puma_rk3399/puma-rk3399.c
+++ b/board/theobroma-systems/puma_rk3399/puma-rk3399.c
@@ -89,7 +89,7 @@
 	/* Make this a valid MAC address and set it */
 	mac_addr[0] &= 0xfe;  /* clear multicast bit */
 	mac_addr[0] |= 0x02;  /* set local assignment bit (IEEE802) */
-	eth_setenv_enetaddr("ethaddr", mac_addr);
+	eth_env_set_enetaddr("ethaddr", mac_addr);
 #endif
 
 	return;