ARM: at91: add ioremap_registers entry point to soc setup

this will allow to ioremap the register of the PIT, PMC and others
and make the code 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/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 1e9c79f..0e54928 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -325,6 +325,10 @@
 	}
 }
 
+static void __init at91sam9260_ioremap_registers(void)
+{
+}
+
 static void __init at91sam9260_initialize(void)
 {
 	at91_arch_reset = at91sam9_alt_reset;
@@ -381,6 +385,7 @@
 struct at91_init_soc __initdata at91sam9260_soc = {
 	.map_io = at91sam9260_map_io,
 	.default_irq_priority = at91sam9260_default_irq_priority,
+	.ioremap_registers = at91sam9260_ioremap_registers,
 	.register_clocks = at91sam9260_register_clocks,
 	.init = at91sam9260_initialize,
 };