omap3: Replace ARCH_OMAP34XX with ARCH_OMAP3

Replace ARCH_OMAP34XX with ARCH_OMAP3

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index f8c2e7a..480abc5 100644
--- a/arch/arm/mach-omap2/mux.h
+++ b/arch/arm/mach-omap2/mux.h
@@ -102,7 +102,7 @@
 	u16	value;
 };
 
-#if defined(CONFIG_OMAP_MUX) && defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_OMAP_MUX) && defined(CONFIG_ARCH_OMAP3)
 
 /**
  * omap_mux_init_gpio - initialize a signal based on the GPIO number