serial: add missing include

facchinm · facchinm · commit 13a91b592c14 · 2025-02-10T17:24:05.000+01:00
diff --git a/cores/arduino/zephyrSerial.h b/cores/arduino/zephyrSerial.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include <zephyr/sys/ring_buffer.h>
+#include <zephyr/kernel.h>
 #include <api/HardwareSerial.h>
 
 namespace arduino {
