net: Remove all calls to net_random_ethaddr()

Remove the calls to net_random_ethaddr() that some boards and some
drivers are calling. This is now implemented inside of net/eth.c

Enable the feature for all boards that previously enabled it.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-By: Michael Walle <michael@walle.cc> (for the lsxl board part)

Series-changes: 2
-Fixed bfin build errors

drivers/net/dm9000x.c

@@ -343,13 +343,7 @@ static int dm9000_init(struct eth_device *dev, bd_t *bd)
 
 	printf("MAC: %pM\n", dev->enetaddr);
 	if (!is_valid_ethaddr(dev->enetaddr)) {
-#ifdef CONFIG_RANDOM_MACADDR
-		printf("Bad MAC address (uninitialized EEPROM?), randomizing\n");
-		net_random_ethaddr(dev->enetaddr);
-		printf("MAC: %pM\n", dev->enetaddr);
-#else
 		printf("WARNING: Bad MAC address (uninitialized EEPROM?)\n");
-#endif
 	}
 
 	/* fill device MAC address registers */

drivers/net/ftmac110.c

@@ -424,9 +424,6 @@ int ftmac110_initialize(bd_t *bis)
 	dev->send = ftmac110_send;
 	dev->recv = ftmac110_recv;
 
-	if (!eth_getenv_enetaddr_by_index("eth", card_nr, dev->enetaddr))
-		net_random_ethaddr(dev->enetaddr);
-
 	/* allocate tx descriptors (it must be 16 bytes aligned) */
 	chip->txd = dma_alloc_coherent(
 		sizeof(struct ftmac110_desc) * CFG_TXDES_NUM, &chip->txd_dma);