sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>

Fix up affected files that include this signal functionality via sched.h.

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/pci/hotplug/cpci_hotplug_core.c

@@ -27,6 +27,7 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/sched/signal.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/pci_hotplug.h>

drivers/pci/hotplug/cpqphp.h

@@ -32,7 +32,7 @@
 #include <asm/io.h>		/* for read? and write? functions */
 #include <linux/delay.h>	/* for delays */
 #include <linux/mutex.h>
-#include <linux/sched.h>	/* for signal_pending() */
+#include <linux/sched/signal.h>	/* for signal_pending() */
 
 #define MY_NAME	"cpqphp"
 

drivers/pci/hotplug/pciehp.h

@@ -33,7 +33,7 @@
 #include <linux/pci.h>
 #include <linux/pci_hotplug.h>
 #include <linux/delay.h>
-#include <linux/sched.h>		/* signal_pending() */
+#include <linux/sched/signal.h>		/* signal_pending() */
 #include <linux/pcieport_if.h>
 #include <linux/mutex.h>
 #include <linux/workqueue.h>

drivers/pci/hotplug/shpchp.h

@@ -33,7 +33,7 @@
 #include <linux/pci.h>
 #include <linux/pci_hotplug.h>
 #include <linux/delay.h>
-#include <linux/sched.h>	/* signal_pending(), struct timer_list */
+#include <linux/sched/signal.h>	/* signal_pending(), struct timer_list */
 #include <linux/mutex.h>
 #include <linux/workqueue.h>