Arduino.h: Give priority to include path for the command line.

ArduinoAPI.h is loaded with priority from the path specified
on the command line.
This is part of coexisting with a rust implementation.

Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>

Author: soburi

cores/arduino/Arduino.h

@@ -6,7 +6,7 @@
 
 #pragma once
 
-#include "api/ArduinoAPI.h"
+#include <api/ArduinoAPI.h>
 
 #include <zephyr/kernel.h>
 #include <zephyr/drivers/gpio.h>