Replace os_internal.h with sched/sched.h in files that actually reference something in sched.h

sched/mqueue/mq_close.c

@@ -43,7 +43,7 @@
 #include <sched.h>
 #include <assert.h>
 
-#include "os_internal.h"
+#include "sched/sched.h"
 #include "mqueue/mqueue.h"
 
 /****************************************************************************

sched/mqueue/mq_notify.c

@@ -44,7 +44,7 @@
 #include <sched.h>
 #include <errno.h>
 
-#include "os_internal.h"
+#include "sched/sched.h"
 #include "mqueue/mqueue.h"
 
 /************************************************************************

sched/mqueue/mq_open.c

@@ -51,7 +51,7 @@
 
 #include <nuttx/kmalloc.h>
 
-#include "os_internal.h"
+#include "sched/sched.h"
 #include "mqueue/mqueue.h"
 
 /****************************************************************************

sched/mqueue/mq_rcvinternal.c

@@ -50,7 +50,7 @@
 
 #include <nuttx/arch.h>
 
-#include "os_internal.h"
+#include "sched/sched.h"
 #include "mqueue/mqueue.h"
 
 /****************************************************************************

sched/mqueue/mq_sndinternal.c

@@ -51,7 +51,7 @@
 #include  <nuttx/kmalloc.h>
 #include  <nuttx/arch.h>
 
-#include  "os_internal.h"
+#include  "sched/sched.h"
 #ifndef CONFIG_DISABLE_SIGNALS
 # include "signal/signal.h"
 #endif

sched/mqueue/mq_timedreceive.c

@@ -50,7 +50,7 @@
 
 #include <nuttx/arch.h>
 
-#include "os_internal.h"
+#include "sched/sched.h"
 #include "clock/clock.h"
 #include "mqueue/mqueue.h"
 

sched/mqueue/mq_timedsend.c

@@ -50,7 +50,7 @@
 #include <nuttx/arch.h>
 
 #include "clock/clock.h"
-#include "os_internal.h"
+#include "sched/sched.h"
 #include "mqueue/mqueue.h"
 
 /****************************************************************************