* Update IDF to 97eecfa and enable reboot on WDT

* Add API to enable/disable WDT for Core 1 and Arduino Loop

* Update IDF to a0468b2

* add missing ld file

* Fix PIO builds and change coex policy

* TX Flow Control and Code cleanup

* Use semaphore instead of delay

TX functionality is done.

* Use single buffer and empty queue on exit

* Fix compile issues because of LwIP code relocation

* Add temporary header to fix Azure not compiling

* Fix AsyncUDP early init

* AsyncUDP Multicast fixes

* Add source mac address and rework multicast

* Allow redefinition of default pins for Serials 1 and 2

* Update IDF to 3276a13

* Update esptool.py to 2.5.0

* Fix sketches

* Fix log level in BluetoothSetial

* Update BLE lib

* Update IDF to f586f5e

* Restructure Bluetooth Serial includes

* Update esptool and gen_esp32part

* Add partition scheme selection for menuconfig

* Add partition scheme selection for Arduino IDE

* Fix BLE example

* Second attempt BLE fix

* Add exceptions to PIO

* Update mDNS and LEDC

* update toolchain

* Update IDF to 1c3dd23

* Advertise the board variant for Arduino OTA

* Add generic variant definition for mDNS

* Update IDF to 9274814

* Fix error in i2c and Arduino