drivers: ethernet: sy1xx: fix random mac

before that commit, random mac was used even when defining
zephyr,random-mac-address to false.

Signed-off-by: Sven Ginka <s.ginka@sensry.de>

Author: tswaehn

drivers/ethernet/eth_sensry_sy1xx_mac.c

@@ -208,7 +208,6 @@ static int sy1xx_mac_start(const struct device *dev)
 		sys_rand_get(&data->mac_addr, 6);
 		/* Set MAC address locally administered, unicast (LAA) */
 		data->mac_addr[0] |= 0x02;
-
 	}
 
 	sy1xx_mac_set_mac_addr(dev);
@@ -571,7 +570,7 @@ const struct ethernet_api sy1xx_mac_driver_api = {
 		.base_addr = DT_INST_REG_ADDR_BY_NAME(n, data),                                    \
 		.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n),                                         \
 		.promiscuous_mode = DT_INST_PROP_OR(n, promiscuous_mode, false),                   \
-		.use_zephyr_random_mac = DT_INST_NODE_HAS_PROP(n, zephyr_random_mac_address),      \
+		.use_zephyr_random_mac = DT_INST_PROP(n, zephyr_random_mac_address),               \
 		.phy_dev = DEVICE_DT_GET(DT_INST_PHANDLE(0, phy_handle))};                         \
                                                                                                    \
 	static struct sy1xx_mac_dma_buffers __attribute__((section(".udma_access")))               \