Add some Arduino defines to IDF

Author: me-no-dev

Diff for: Makefile.projbuild

@@ -9,6 +9,8 @@ endif
 BOOT_APP_BIN_FLASH_CMD = $(ESPTOOLPY_SERIAL) write_flash $(BOOT_APP_BIN_OFFSET) $(BOOT_APP_BIN_PATH)
 ESPTOOL_ALL_FLASH_ARGS += $(BOOT_APP_BIN_OFFSET) $(BOOT_APP_BIN_PATH)
 
+CPPFLAGS += -DARDUINO=180 -DESP32=1 -DARDUINO_ARCH_ESP32=1
+
 boot-app0:
 	@echo "Rebooting to APP0"
 	$(BOOT_APP_BIN_FLASH_CMD)