Add autobuild for ESP32

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

workflows/autobuild_esp32.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+git submodule update --init --recursive
+sudo apt update
+sudo apt install -y cmake gcc-arm-none-eabi libnewlib-arm-none-eabi libstdc++-arm-none-eabi-newlib
+git clone https://github.com/raspberrypi/pico-sdk
+cd pico-sdk
+git submodule update --init
+cd ..
+mkdir build
+cd build
+cmake -DPICO_SDK_PATH=../pico-sdk ..
+make
+
+sudo apt install -y git wget flex bison gperf python3 python3-pip python3-venv cmake ninja-build ccache libffi-dev libssl-dev dfu-util libusb-1.0-0
+git clone --recursive https://github.com/espressif/esp-idf.git
+cd esp-idf
+./install.sh esp32s3
+. ./export.sh
+cd ..
+mkdir build_esp
+cd build_esp
+idf.py all