[ARM] 3501/1: i.MX: fix lowlevel debug macros

Patch from Sascha Hauer

This patch fixes the addruart macro to work with both mmu enabled and
disabled.

Signed-off-by: Sascha Hauer <s.hauer@pengutonix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-imx/mx1ads.c

@@ -161,7 +161,7 @@ mx1ads_map_io(void)
 MACHINE_START(MX1ADS, "Motorola MX1ADS")
 	/* Maintainer: Sascha Hauer, Pengutronix */
 	.phys_io	= 0x00200000,
-	.io_pg_offst	= ((0xe0200000) >> 18) & 0xfffc,
+	.io_pg_offst	= ((0xe0000000) >> 18) & 0xfffc,
 	.boot_params	= 0x08000100,
 	.map_io		= mx1ads_map_io,
 	.init_irq	= imx_init_irq,