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.c b/arch/arm/mach-omap2/mux.c
index fa7c8da..5ee2372 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -369,7 +369,7 @@
 
 /*----------------------------------------------------------------------------*/
 
-#ifdef CONFIG_ARCH_OMAP34XX
+#ifdef CONFIG_ARCH_OMAP3
 static LIST_HEAD(muxmodes);
 static DEFINE_MUTEX(muxmode_mutex);
 
@@ -1018,5 +1018,5 @@
 	return 0;
 }
 
-#endif	/* CONFIG_ARCH_OMAP34XX */
+#endif	/* CONFIG_ARCH_OMAP3 */