omap2/3/4: Fix omap2_map_common_io for multi-omap

Fix omap2_map_common_io for multi-omap

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index 67bb347..6a49f91 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -93,7 +93,7 @@
 static void __init rx51_map_io(void)
 {
 	omap2_set_globals_343x();
-	omap2_map_common_io();
+	omap34xx_map_common_io();
 }
 
 MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")