omap2/3: Fix initcalls for multi-omap

Otherwise the wrong initcalls can run.

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/emu.c b/arch/arm/mach-omap2/emu.c
index ec0d984..9c442e2 100644
--- a/arch/arm/mach-omap2/emu.c
+++ b/arch/arm/mach-omap2/emu.c
@@ -56,6 +56,9 @@
 
 static int __init emu_init(void)
 {
+	if (!cpu_is_omap34xx())
+		return -ENODEV;
+
 	amba_device_register(&omap3_etb_device, &iomem_resource);
 	amba_device_register(&omap3_etm_device, &iomem_resource);