Add ESP32 Olimex ethernet gateway (#747)

-Add ethernet board
-Add wifi board
-Add ethernet management for ESP32

platformio.ini

@@ -37,6 +37,8 @@ extra_configs =
 ;default_envs = esp32dev-weatherstation
 ;default_envs = esp32dev-ir
 ;default_envs = esp32dev-ble
+;default_envs = esp32-olimex-gtw-ble-eth
+;default_envs = esp32-olimex-gtw-ble-wifi
 ;default_envs = esp32-m5stick-ble
 ;default_envs = esp32-m5stack-ble
 ;default_envs = esp32-m5stick-c-ble
@@ -291,6 +293,36 @@ build_flags =
   '-DLED_RECEIVE_ON=0'
   '-DGateway_Name="OpenMQTTGateway_ESP32_BLE"'
 
+[env:esp32-olimex-gtw-ble-eth]
+platform = ${com.esp32_platform}
+board = esp32-gateway
+board_build.partitions = min_spiffs.csv
+lib_deps =
+  ${com-esp.lib_deps}
+  ${libraries.ble}
+build_flags =
+  ${com-esp.build_flags}
+  '-DZgatewayBT="BT"'
+  '-DLOW_POWER_LED=33'
+  '-DLOW_POWER_LED_OFF=0'
+  '-DESP32_ETHERNET=true'
+  '-DGateway_Name="OpenMQTTGateway_ESP32_OLM_GTWE"'
+
+[env:esp32-olimex-gtw-ble-wifi]
+platform = ${com.esp32_platform}
+board = esp32-gateway
+board_build.partitions = min_spiffs.csv
+lib_deps =
+  ${com-esp.lib_deps}
+  ${libraries.ble}
+build_flags =
+  ${com-esp.build_flags}
+  '-DZgatewayBT="BT"'
+  '-DLOW_POWER_LED=33'
+  '-DLOW_POWER_LED_OFF=0'
+  '-DTRIGGER_GPIO=34'
+  '-DGateway_Name="OpenMQTTGateway_ESP32_OLM_GTWW"'
+
 [env:esp32-m5stick-ble]
 platform = ${com.esp32_platform}
 board = m5stack-core-esp32