drivers: ethernet: use DT_INST_PROP_OR for local-mac-address

use DT_INST_PROP_OR for local-mac-address, so
that it is not required to be set in dt, as there are
other ways to se the mac address.

Signed-off-by: Fin Maaß <f.maass@vogl-electronic.com>

Author: maass-hamburg

drivers/ethernet/dwc_xgmac/eth_dwc_xgmac.c

@@ -1699,7 +1699,7 @@ static const struct ethernet_api eth_dwc_xgmac_apis = {
 /* Device run-time data declaration macro */
 #define ETH_DWC_XGMAC_DEV_DATA(port)                                                               \
 	static struct eth_dwc_xgmac_dev_data eth_dwc_xgmac##port##_dev_data = {                    \
-		.mac_addr = DT_INST_PROP(port, local_mac_address),                                 \
+		.mac_addr = DT_INST_PROP_OR(port, local_mac_address, {0}),                         \
 		.link_speed = DT_INST_PROP(port, max_speed),                                       \
 		.enable_full_duplex = DT_INST_PROP(port, full_duplex_mode_en),                     \
 		.dma_rx_desc = &eth_dwc_xgmac##port##_rx_desc[0u][0u],                             \

drivers/ethernet/eth_lan865x.c

@@ -472,7 +472,7 @@ static const struct ethernet_api lan865x_api_func = {
 	struct oa_tc6 oa_tc6_##inst = {                                                            \
 		.cps = 64, .protected = 0, .spi = &lan865x_config_##inst.spi};                     \
 	static struct lan865x_data lan865x_data_##inst = {                                         \
-		.mac_address = DT_INST_PROP(inst, local_mac_address),                              \
+		.mac_address = DT_INST_PROP_OR(inst, local_mac_address, {0}),                      \
 		.tx_rx_sem = Z_SEM_INITIALIZER((lan865x_data_##inst).tx_rx_sem, 1, 1),             \
 		.int_sem = Z_SEM_INITIALIZER((lan865x_data_##inst).int_sem, 0, 1),                 \
 		.tc6 = &oa_tc6_##inst};                                                            \

drivers/ethernet/eth_lan9250.c

@@ -702,7 +702,7 @@ static int lan9250_init(const struct device *dev)
 
 #define LAN9250_DEFINE(inst)                                                                       \
 	static struct lan9250_runtime lan9250_##inst##_runtime = {                                 \
-		.mac_address = DT_INST_PROP(inst, local_mac_address),                              \
+		.mac_address = DT_INST_PROP_OR(inst, local_mac_address, {0}),                      \
 		.tx_rx_sem = Z_SEM_INITIALIZER(lan9250_##inst##_runtime.tx_rx_sem, 1, UINT_MAX),   \
 		.int_sem = Z_SEM_INITIALIZER(lan9250_##inst##_runtime.int_sem, 0, UINT_MAX),       \
 	};                                                                                         \

drivers/ethernet/eth_litex_liteeth.c

@@ -331,7 +331,8 @@ static const struct ethernet_api eth_api = {
 	}                                                                                          \
                                                                                                    \
 	static struct eth_litex_dev_data eth_data##n = {                                           \
-		.mac_addr = DT_INST_PROP(n, local_mac_address)};                                   \
+		.mac_addr = DT_INST_PROP_OR(n, local_mac_address, {0}),			           \
+	};                                                                                         \
                                                                                                    \
 	static const struct eth_litex_config eth_config##n = {                                     \
 		.phy_dev = DEVICE_DT_GET_OR_NULL(DT_INST_PHANDLE(n, phy_handle)),                  \

drivers/ethernet/eth_xilinx_axienet.c

@@ -586,7 +586,7 @@ static const struct ethernet_api xilinx_axienet_api = {
 	}                                                                                          \
                                                                                                    \
 	static struct xilinx_axienet_data data_##inst = {                                          \
-		.mac_addr = DT_INST_PROP(inst, local_mac_address),                                 \
+		.mac_addr = DT_INST_PROP_OR(inst, local_mac_address, {0}),                         \
 		.dma_is_configured_rx = false,                                                     \
 		.dma_is_configured_tx = false};                                                    \
 	static const struct xilinx_axienet_config config_##inst = {                                \

drivers/ethernet/eth_xlnx_gem_priv.h

@@ -476,7 +476,7 @@ static const struct eth_xlnx_gem_dev_cfg eth_xlnx_gem##port##_dev_cfg = {\
 /* Device run-time data declaration macro */
 #define ETH_XLNX_GEM_DEV_DATA(port) \
 static struct eth_xlnx_gem_dev_data eth_xlnx_gem##port##_dev_data = {\
-	.mac_addr        = DT_INST_PROP(port, local_mac_address),\
+	.mac_addr        = DT_INST_PROP_OR(port, local_mac_address, {0}),\
 	.started         = 0,\
 	.eff_link_speed  = LINK_DOWN,\
 	.phy_addr        = 0,\