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>

arch/arm/mach-omap2/board-generic.c

@@ -50,7 +50,7 @@ static void __init omap_generic_init(void)
 static void __init omap_generic_map_io(void)
 {
 	omap2_set_globals_242x(); /* should be 242x, 243x, or 343x */
-	omap2_map_common_io();
+	omap242x_map_common_io();
 }
 
 MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")