at91: factorize at91 interrupts init to soc

they are the same except the default priority

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
diff --git a/arch/arm/mach-at91/board-cpu9krea.c b/arch/arm/mach-at91/board-cpu9krea.c
index 01128f9..f4da8a1 100644
--- a/arch/arm/mach-at91/board-cpu9krea.c
+++ b/arch/arm/mach-at91/board-cpu9krea.c
@@ -81,11 +81,6 @@
 	at91_set_serial_console(0);
 }
 
-static void __init cpu9krea_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
 /*
  * USB Host port
  */
@@ -378,6 +373,6 @@
 	.timer		= &at91sam926x_timer,
 	.map_io		= at91_map_io,
 	.init_early	= cpu9krea_init_early,
-	.init_irq	= cpu9krea_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= cpu9krea_board_init,
 MACHINE_END