sched/headers: Prepare for the removal of <asm/ptrace.h> from <linux/sched.h>

Fix up missing #includes in other places that rely on sched.h doing that for them.

Acked-by: Linus Torvalds <[e-mail]>
Cc: Mike Galbraith <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: [e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

arch/alpha/math-emu/math.c

···
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
+#include <asm/ptrace.h>
 
 #include <linux/uaccess.h>
 

arch/sh/kernel/cpu/fpu.c

···
 #include <asm/processor.h>
 #include <asm/fpu.h>
 #include <asm/traps.h>
+#include <asm/ptrace.h>
 
 int init_fpu(struct task_struct *tsk)
 {

arch/sh/kernel/process.c

···
 #include <linux/export.h>
 #include <linux/stackprotector.h>
 #include <asm/fpu.h>
+#include <asm/ptrace.h>
 
 struct kmem_cache *task_xstate_cachep = NULL;
 unsigned int xstate_size;

drivers/oprofile/cpu_buffer.c

···
 #include <linux/oprofile.h>
 #include <linux/errno.h>
 
+#include <asm/ptrace.h>
+
 #include "event_buffer.h"
 #include "cpu_buffer.h"
 #include "buffer_sync.h"