PCI Hotplug: move pci_hotplug.h to include/linux/

This makes it possible to build pci hotplug drivers outside of the main
kernel tree, and Sam keeps telling me to move local header files to
their proper places...

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index fa666d0..f5d632e 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -30,6 +30,8 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/list.h>
+#include <linux/kobject.h>
+#include <linux/sysfs.h>
 #include <linux/pagemap.h>
 #include <linux/slab.h>
 #include <linux/smp_lock.h>
@@ -37,11 +39,8 @@
 #include <linux/mount.h>
 #include <linux/namei.h>
 #include <linux/pci.h>
+#include <linux/pci_hotplug.h>
 #include <asm/uaccess.h>
-#include <linux/kobject.h>
-#include <linux/sysfs.h>
-#include "pci_hotplug.h"
-
 
 #define MY_NAME	"pci_hotplug"