[ARM] Quieten spurious IRQ detection

Only issue a "nobody cared" warning after 99900 spurious interrupts.
This avoids the occasional spurious interrupt causing warnings, as
per x86.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/mach/irq.h b/include/asm-arm/mach/irq.h
index 76d0524..d4d420e 100644
--- a/include/asm-arm/mach/irq.h
+++ b/include/asm-arm/mach/irq.h
@@ -74,6 +74,7 @@
 	unsigned int	noautoenable : 1;	/* don't automatically enable IRQ */
 	unsigned int	unused   :25;
 
+	unsigned int	irqs_unhandled;
 	struct proc_dir_entry *procdir;
 
 #ifdef CONFIG_SMP