headers: remove sched.h from interrupt.h

After m68k's task_thread_info() doesn't refer to current,
it's possible to remove sched.h from interrupt.h and not break m68k!
Many thanks to Heiko Carstens for allowing this.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

drivers/net/wireless/iwlwifi/iwl-3945.c

@@ -30,6 +30,7 @@
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
 #include <linux/delay.h>
+#include <linux/sched.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/wireless.h>

drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -30,6 +30,7 @@
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
 #include <linux/delay.h>
+#include <linux/sched.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/wireless.h>

drivers/net/wireless/iwlwifi/iwl-5000.c

@@ -29,6 +29,7 @@
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
 #include <linux/delay.h>
+#include <linux/sched.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/wireless.h>

drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -33,6 +33,7 @@
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
 #include <linux/delay.h>
+#include <linux/sched.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/wireless.h>

drivers/net/wireless/iwlwifi/iwl-core.c

@@ -29,6 +29,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/etherdevice.h>
+#include <linux/sched.h>
 #include <net/mac80211.h>
 
 #include "iwl-eeprom.h"

drivers/net/wireless/iwlwifi/iwl-hcmd.c

@@ -28,6 +28,7 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/sched.h>
 #include <net/mac80211.h>
 
 #include "iwl-dev.h" /* FIXME: remove */

drivers/net/wireless/iwlwifi/iwl-tx.c

@@ -28,6 +28,7 @@
  *****************************************************************************/
 
 #include <linux/etherdevice.h>
+#include <linux/sched.h>
 #include <net/mac80211.h>
 #include "iwl-eeprom.h"
 #include "iwl-dev.h"

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -33,6 +33,7 @@
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
 #include <linux/delay.h>
+#include <linux/sched.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/wireless.h>