ARM: at91: make pit register base soc independent

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index 29dae9b..291fc99 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -292,6 +292,7 @@
 
 static void __init at91sam9rl_ioremap_registers(void)
 {
+	at91sam926x_ioremap_pit(AT91SAM9RL_BASE_PIT);
 }
 
 static void __init at91sam9rl_initialize(void)