[PATCH] bogus include of linux/irq.h in 7990.c

#include <linux/slab.h>

#include <linux/string.h>

#include <linux/skbuff.h>

#include <linux/irq.h>

#include <asm/irq.h>

/* Used for the temporal inet entries and routing */

#include <linux/socket.h>

#include <linux/bitops.h>