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/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 40be520..424c347 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -1097,7 +1097,7 @@
 		else
 			strcpy(mac, "ethaddr");
 		if (!getenv(mac))
-			eth_setenv_enetaddr(mac, ethaddr);
+			eth_env_set_enetaddr(mac, ethaddr);
 	}
 	return ret;
 err4:
diff --git a/drivers/net/lan91c96.c b/drivers/net/lan91c96.c
index 3526876..255c701 100644
--- a/drivers/net/lan91c96.c
+++ b/drivers/net/lan91c96.c
@@ -710,7 +710,7 @@
 			printf("\n*** ERROR: ethaddr is NOT set !!\n");
 			return -1;
 		}
-		eth_setenv_enetaddr("ethaddr", v_mac);
+		eth_env_set_enetaddr("ethaddr", v_mac);
 	}
 
 	smc_set_mac_addr(v_mac); /* use old function to update smc default */
diff --git a/drivers/net/ne2000_base.c b/drivers/net/ne2000_base.c
index 377d87f..f6e5eaf 100644
--- a/drivers/net/ne2000_base.c
+++ b/drivers/net/ne2000_base.c
@@ -723,7 +723,7 @@
 		 * returns -1 due to eth_getenv_enetaddr_by_index() failing,
 		 * and this causes "Warning: failed to set MAC address", and
 		 * cmd_bdinfo has no ethaddr value which it can show: */
-		eth_setenv_enetaddr("ethaddr", dev->enetaddr);
+		eth_env_set_enetaddr("ethaddr", dev->enetaddr);
 	}
 	return 0;
 }