irq: export remove_irq() and setup_irq() symbols

Export the setup_irq() and remove_irq() symbols.

I'd like to export these functions since I have timer
code that needs to use setup_irq() early on (too early
for request_irq()), and the same code can also be
compiled as a module.
Signed-off-by: NMagnus Damm <damm@igel.co.jp>
LKML-Reference: <20090312120559.2926.82371.sendpatchset@rx1.opensource.se>
[ changed to _GPL as these are special APIs deep inside the irq layer. ]
Signed-off-by: NIngo Molnar <mingo@elte.hu>

kernel/irq/manage.c

@@ -549,6 +549,7 @@ int setup_irq(unsigned int irq, struct irqaction *act)
 
 	return __setup_irq(irq, desc, act);
 }
+EXPORT_SYMBOL_GPL(setup_irq);
 
  /*
  * Internal function to unregister an irqaction - used to free
@@ -640,6 +641,7 @@ void remove_irq(unsigned int irq, struct irqaction *act)
 {
 	__free_irq(irq, act->dev_id);
 }
+EXPORT_SYMBOL_GPL(remove_irq);
 
 /**
  *	free_irq - free an interrupt allocated with request_irq