ARM: at91: Give the PIT irq as an argument of at91sam926x_pit_init

This allows to remove the dependency of the timer driver on mach/hardware.h and
having an hardcoded interrupt number in the driver itself.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/mach-at91/generic.h

@@ -48,7 +48,7 @@ extern void __init at91_init_time(void);
 extern void at91rm9200_ioremap_st(u32 addr);
 extern void at91rm9200_timer_init(void);
 extern void at91sam926x_ioremap_pit(u32 addr);
-extern void at91sam926x_pit_init(void);
+extern void at91sam926x_pit_init(int irq);
 extern void at91x40_timer_init(void);
 
  /* Clocks */