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-stamp9g20.c b/arch/arm/mach-at91/board-stamp9g20.c
index e65efda..936e5fd 100644
--- a/arch/arm/mach-at91/board-stamp9g20.c
+++ b/arch/arm/mach-at91/board-stamp9g20.c
@@ -76,12 +76,6 @@
 	at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
 }
 
-static void __init init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
-
 /*
  * NAND flash
  */
@@ -301,7 +295,7 @@
 	.timer		= &at91sam926x_timer,
 	.map_io		= at91_map_io,
 	.init_early	= portuxg20_init_early,
-	.init_irq	= init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= portuxg20_board_init,
 MACHINE_END
 
@@ -310,6 +304,6 @@
 	.timer		= &at91sam926x_timer,
 	.map_io		= at91_map_io,
 	.init_early	= stamp9g20evb_init_early,
-	.init_irq	= init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= stamp9g20evb_board_init,
 MACHINE_END