[SPARC]: Kill __irq_itoa().

This ugly hack was long overdue to die.

It was a way to print out Sparc interrupts in a more freindly format,
since IRQ numbers were arbitrary opaque 32-bit integers which vectored
into PIL levels.  These 32-bit integers were not necessarily in the
0-->NR_IRQS range, but the PILs they vectored to were.

The idea now is that we will increase NR_IRQS a little bit and use a
virtual<-->real IRQ number mapping scheme similar to PowerPC.

That makes this IRQ printing hack irrelevant, and furthermore only a
handful of drivers actually used __irq_itoa() making it even less
useful.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/scsi/esp.c b/drivers/scsi/esp.c
index 87a8c3d..0a3e45d 100644
--- a/drivers/scsi/esp.c
+++ b/drivers/scsi/esp.c
@@ -821,8 +821,8 @@
 		return -1;
 	}
 
-	printk("esp%d: IRQ %s ", esp->esp_id,
-	       __irq_itoa(esp->ehost->irq));
+	printk("esp%d: IRQ %d ", esp->esp_id,
+	       esp->ehost->irq);
 
 	return 0;
 }