net: remove interrupt.h inclusion from netdevice.h

* remove interrupt.g inclusion from netdevice.h -- not needed
* fixup fallout, add interrupt.h and hardirq.h back where needed.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/iwlegacy/iwl-dev.h b/drivers/net/wireless/iwlegacy/iwl-dev.h
index be0106c..416448a 100644
--- a/drivers/net/wireless/iwlegacy/iwl-dev.h
+++ b/drivers/net/wireless/iwlegacy/iwl-dev.h
@@ -32,6 +32,7 @@
 #ifndef __iwl_legacy_dev_h__
 #define __iwl_legacy_dev_h__
 
+#include <linux/interrupt.h>
 #include <linux/pci.h> /* for struct pci_device_id */
 #include <linux/kernel.h>
 #include <linux/leds.h>