drivers: wifi: eswifi: Convert driver to new DT device macros

Convert eswifi driver:

    NET_DEVICE_OFFLOAD_INIT -> NET_DEVICE_DT_INST_OFFLOAD_DEFINE

Signed-off-by: Marcin Niestroj <[email protected]>

Author: mniestroj

drivers/wifi/eswifi/eswifi_core.c

@@ -689,6 +689,8 @@ static const struct net_wifi_mgmt_offload eswifi_offload_api = {
 	.ap_disable	= eswifi_mgmt_ap_disable,
 };
 
-NET_DEVICE_OFFLOAD_INIT(eswifi_mgmt, DT_INST_LABEL(0),
-			eswifi_init, device_pm_control_nop, &eswifi0, NULL,
-			CONFIG_WIFI_INIT_PRIORITY, &eswifi_offload_api, 1500);
+NET_DEVICE_DT_INST_OFFLOAD_DEFINE(0, eswifi_init, device_pm_control_nop,
+				  &eswifi0, NULL,
+				  CONFIG_WIFI_INIT_PRIORITY,
+				  &eswifi_offload_api,
+				  1500);