omap: Fix DEBUG_LL UART io address

This patch fixes the low level debug UART io address as per this series.
The change is essential to have CONFIG_DEBUG_LL working.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 9917d2f..c5e0da9 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -451,7 +451,7 @@
 
 MACHINE_START(OVERO, "Gumstix Overo")
 	.phys_io	= 0x48000000,
-	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
+	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
 	.boot_params	= 0x80000100,
 	.map_io		= overo_map_io,
 	.init_irq	= overo_init_irq,