at91: fix map_io init usage

switch early init to init_early and introduce soc map_io

with this Patch we will not do any more early device setup during the map io

tks to Russell to point the new call back

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Andrew Victor <linux@maxim.org.za>
diff --git a/arch/arm/mach-at91/board-eb01.c b/arch/arm/mach-at91/board-eb01.c
index d8df59a..d2023f2 100644
--- a/arch/arm/mach-at91/board-eb01.c
+++ b/arch/arm/mach-at91/board-eb01.c
@@ -35,7 +35,7 @@
 	at91x40_init_interrupts(NULL);
 }
 
-static void __init at91eb01_map_io(void)
+static void __init at91eb01_init_early(void)
 {
 	at91x40_initialize(40000000);
 }
@@ -43,7 +43,7 @@
 MACHINE_START(AT91EB01, "Atmel AT91 EB01")
 	/* Maintainer: Greg Ungerer <gerg@snapgear.com> */
 	.timer		= &at91x40_timer,
+	.init_early	= at91eb01_init_early,
 	.init_irq	= at91eb01_init_irq,
-	.map_io		= at91eb01_map_io,
 MACHINE_END