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/enic/enic_main.c b/drivers/net/enic/enic_main.c
index 1daf79b..9600f43 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -23,6 +23,7 @@
 #include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/workqueue.h>
 #include <linux/pci.h>
 #include <linux/netdevice.h>