sched/headers: Remove the <linux/mm_types.h> dependency from <linux/sched.h>

Use the freshly introduced, reduced size <linux/mm_types_task.h> header instead.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

drivers/video/fbdev/auo_k190x.c

@@ -9,6 +9,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/sched/mm.h>
 #include <linux/kernel.h>
 #include <linux/gpio.h>
 #include <linux/platform_device.h>

include/linux/sched.h

@@ -8,7 +8,7 @@
 #include <linux/capability.h>
 #include <linux/mutex.h>
 #include <linux/plist.h>
-#include <linux/mm_types.h>
+#include <linux/mm_types_task.h>
 #include <asm/ptrace.h>
 
 #include <linux/sem.h>