kernel: move timeout_q.h to kernel/include

This is a private kernel header with private kernel APIs, it should not
be exposed in the public zephyr include directory.

Once sample remains to be fixed (metairq_dispatch), which currently uses
private APIs from that header, it should not be the case.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

kernel/include/ksched.h

@@ -9,7 +9,7 @@
 
 #include <zephyr/kernel_structs.h>
 #include <kernel_internal.h>
-#include <zephyr/timeout_q.h>
+#include <timeout_q.h>
 #include <zephyr/tracing/tracing.h>
 #include <stdbool.h>
 

kernel/include/wait_q.h

@@ -13,7 +13,7 @@
 #include <zephyr/sys/dlist.h>
 #include <zephyr/sys/rb.h>
 #include <zephyr/kernel/sched_priq.h>
-#include <zephyr/timeout_q.h>
+#include <timeout_q.h>
 
 #ifdef __cplusplus
 extern "C" {

kernel/timeout.c

@@ -7,7 +7,7 @@
 #include <zephyr/kernel.h>
 #include <zephyr/spinlock.h>
 #include <ksched.h>
-#include <zephyr/timeout_q.h>
+#include <timeout_q.h>
 #include <zephyr/syscall_handler.h>
 #include <zephyr/drivers/timer/system_timer.h>
 #include <zephyr/sys_clock.h>

samples/kernel/metairq_dispatch/CMakeLists.txt

@@ -6,3 +6,7 @@ find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(metairq_dispatch)
 
 target_sources(app PRIVATE src/main.c src/msgdev.c)
+
+target_include_directories(app PRIVATE
+  ${ZEPHYR_BASE}/kernel/include
+  )

samples/kernel/metairq_dispatch/src/msgdev.c

@@ -3,7 +3,7 @@
  *
  * SPDX-License-Identifier: Apache-2.0
  */
-#include <zephyr/timeout_q.h>
+#include <timeout_q.h>
 #include "msgdev.h"
 
 /* This file implements a fake device that creates and enqueues

soc/x86/intel_ish/intel_ish5/pm/power.c

@@ -8,7 +8,6 @@
 #include <zephyr/pm/pm.h>
 #include <zephyr/pm/policy.h>
 #include <zephyr/device.h>
-#include <zephyr/timeout_q.h>
 #include <zephyr/init.h>
 #include <zephyr/irq.h>
 #include <zephyr/logging/log_core.h>

subsys/pm/pm.c

@@ -7,7 +7,6 @@
 #include <zephyr/device.h>
 #include <zephyr/kernel.h>
 #include <zephyr/kernel_structs.h>
-#include <zephyr/timeout_q.h>
 #include <zephyr/init.h>
 #include <string.h>
 #include <zephyr/drivers/timer/system_timer.h>